Joseph bought a DVD recorder for $280. Now it is on sale for $220. Find the percent of change in the price. Round to the nearest percent.

The upper 0.05 critical value of the standard normal distribution is:

Out of z people in the audience, half were parents. How many parents were there in the audience? (express your answer in terms of z.)

Les drew the number line shown to add 2.5 + (-25). He says the sum is 22.5. Which is a correct description of his work? A. His number line is correct, and the correct sum is 22.5. B. Les should have started at 0, moved right to 2.

Which type of interest (simple or compound) is generally charged for borrowing money for short periods of time and why?

A stone tumbles into a mine shaft and strikes bottom after falling for 4.2 seconds. How deep is the mine shaft?

Stacey owns a lot that has 180 feet of front footage and contains 36,000 square feet. She purchases two lots adjacent to each side of his lot. These side lots are each 200 feet deep and contain 19,000 square feet.

Estimate. Then record the product $149 x 5

Find the perimeter of the rectangle What is the area

Just before a referendum on a school budget, a local newspaper polls 390 voters to predict whether the budget will pass. suppose the budget has the support of 53 % of the voters.

Solve the Following Equation ... 15 (x+4) = -2