Algebra 2 Equations and Inequalities: Get Answers Here

A stereo set with a regular price of $450 is on sale for $390. Find the markdown rate. Round to the nearest tenth of a percent.

How is the process of rewriting literal equations similar to the process of solving equations in one variable? How is it different?

For the function below, evaluate the following.
$$\begin{gathered} f(x)=x^2+8 \\ \frac{f(x+h)-<!--\; -\; -->f(x)}{h} \end{gathered}$$

Integrate
$$\int <!--\; \int \; -->x{e}^{-<!--\; -\; -->5x}dx$$

Entrance tickets for a carnival are $7 for children and $12 for adults. If one evening 892 tickets were sold with total receipts of $7359, how many children and how many adults entered the carnival?

Find the equation of the line through the points (-7,8) and (2, 14)

Solve by using substitution.
$$\begin{gathered} y=x+5 \\ y=-<!--\; -\; -->2x-<!--\; -\; -->4 \end{gathered}$$

Consider the following functions.
$$f(x)=x+1\text{ and }g(x)=\frac{1}{x}$$

Find:
$$3x^2-<!--\; -\; -->x-<!--\; -\; -->y-<!--\; -\; -->2=0\text{ and }6x^2+4x-<!--\; -\; -->y=4$$

Simplify each expression. Assume all variablea are positive.$$\begin{gathered} 1.\frac{x^{\frac{5}{3}}y}{x{y}^{\frac{-<!--\; -\; -->1}{2}}} \\ 2.(y\times <!--\; \times \; -->y^{\frac{1}{4}}{)}^{\frac{4}{3}} \end{gathered}$$

A woman can hike 4mph faster down a trail to Archuletta Lake than she can on the return trip uphill. It takes her 3hrto get to the lake and 6hr to return. What is her speed hiking down to the lake?

I have eight more quarters than dimes. If the coins are worth $6.20, how many dimes are there?

CME Skateboards Inc., has paid consultants to look overlast year's sales and provide them with supply and demand equationsthat fit their sales data. The consultants provided the equation S= 0.09x^2 - 0.45x + 3.5 for the company's supply curve where x isthe price per skateboard in dollars, and S is the number ofskateboards produced in thousands. The consultants also provided D= 15 - 0.5x as the demand curve where x represents the price perskateboard in dollars, and D represents the demand for theirproduct in thousands.
1. What should the price of a skateboard be for the company tobreak even? (Round your answer to the nearest penny.)
2. What is the demand for ACME's skateboards if the price of askateboard is $11.14? (Round your answer to the nearesthundred)
3. By how many skateboards will demand exceed supply if theprice is set at $7.02 per skateboard? (Round your answer to thenearest hundred)

Find each of the following:
a. 113°57?+ 18°14?
b. 84°13?- 27° 45?
c.113°57?+ 18.4°
d. 0.75° in degrees, minutes, and second

how many pounds of coffeebeans selling for $7.60 per pound should be mixed with 7 pounds ofcoffee beans selling for $5.40 per pound to obtain a mixtureselling for $6.06 per pound?

Find slope and y-intercept of equation of the line. sketch the line 2x+3y=9

Need help with this question:
$-<!--\; -\; -->61=7y-<!--\; -\; -->26$

Find the present value of an ordinary annuity which has payments of $2200 per year for 12 years at 9% compounded annually. The present value is.

Erys bought a treadmill on sale at 40% off. The original price was $949.95. What was the amount of discount on the treadmill?

Solve the equation:
$0.7t-<!--\; -\; -->3.2=1.7$