A car travelled at 16km an hour. How long did it travel in 2 1/2 hours

Suppose that the percentage change in demand is 10%, the price elasticity of demand is 1, and the price elasticity of supply is 2. What is the percentage change in the equilibrium price?

How can you tell that 32 and 95 are not prime numbers without finding their factors?

Find three consecutive odd integers such that the sum of the largest and twice the smallest is 25. If x represents the smallest integer, then which equation could be used to solve the problem?

What is the coefficient of - 10n+10-10

A sample of n = 25 n=25 diners at a local restaurant had a mean lunch bill of $16 with a standard deviation of σ = $ 4 σ=$4. We obtain a 95% confidence interval as (14.43, 17.57) (14.43,17.57).

Mrs. Smythe needs 54 buttons to make costumes for the school play. Buttons come on cards of 9 buttons each. How many cards of buttons should Mrs. Smythe buy? 9 45 7 6

Winston works 40 hours a week as a pharmacist. If he made $75,400 last year, how much was he paid per hour

Find the slope of the line that passes through (81, - 18) and (7, - 56).

How do you do 5 dived by 416

a coin contains 9 grams of nickel and 16 grams of copper for total weight of 25 G what percentage of the total metal is in the copper