A plumber charges a rate of $65 per hour for his time but gives a discount of $7 per hour to senior citizens. Write an expression which represents a senior citizen's total cost for the plumber in 2 different ways.

Susan bought 2 kilogram bag of grapes one the way home she ate 125 grams of grapes hom meany grams of grapes dose she have left

The half-life of helium-5 is 7.6 * 10-22 seconds, and the half-life of helium-9 is 7 * 10-21 seconds. Approximately how many times greater is the half-life of helium-9 than that of helium-5?

What is the decimals in tenth that less than 3.81 but greater than 3.0

The ancient Greeks were not able to construct

A rectangular prism has a length of 9 inches and a width of 4 inches. The lateral area is 78 square inches. What is the height of the prism?

1. Andrew deposits $300 into an account that earns 2% interest each year. After the first year, Andrew has $306 in the account. After the second year, Andrew has $312 in the account, and after the third year, Andrew has $318 in the account.

Ryan took out a 66-month loan to pay for a $28,500 car. If he paid $33,829.50 in total at the end of the loan, find the interest rate.

Write and solve an inequality to find the values of x for which the area of the retangle is greater than the area of the triangle

Simplify (-15+78) - |22-83|

Factor f (x) = 2x^3+5x^2-97x+180