the sum of three numbers is 12. one of the numbers is twice the sum of the other two numbers. this same number is[..]

a bicycle dealer allows 10% discount and still makes a profit of 20% on his bicycle .if the total profit he makes is[..]

calculate the following remainders using the remainder theorem 1. Calculate the value of a when (x^3-2x^2+ax[..]

Working together, it takes two different sized hoses 40 minutes to fill a small swimming pool. If it takes 65[..]

if your faucet drips at arate of 1 every 5 seconds, and 575 drops fill a 100 milliliter bottle, then approximately[..]

nton is four years older than liza. the product of his age three years from now and liza's age two years ago is 90[..]

The function f(x) = −0.002x2 + 0.66x models the path of a softball that is hit for a home run, where f(x) gives the[..]

twice m decreased by 9.9 is the product of m and -6.25

Harry and Terry are each told to calculate 8−(2+5) . Harry gets the correct answer. Terry ignores the parentheses[..]

Sam can stain his deck in 9 hours, and his sister grace can stain the deck in 12 hours. How many hours would it take[..]