a new type of pump can drain a certain pool in 6 hours. an older pump can drain the pool in 9 hours. how long will it take both pumps working together to drain the pool?

Express 240 as a product of its prime factors.

The plumber finished 3 jones on tuesday. the first two only cost the owner the $45 trip fee because they took very little time to complete. for the third job, the plumber charges the trip fee plus 6 times his hourly rate.

A ladder 40 long leans against a buliding and reaches a ledge, the foor of the ladde is16 feet from the building. how high is the leadge

Share £60 in the ratio a 2:1

Put the fractions 3/4, 7/8, and 1/2 in order from least to greatest

What is the simplified form of - 8y+20 but I only 1 as the coefficient of y

What number is 100,000 more than 75,000 and explain how u got answer

3 times a number decreased by 40 equals 14

An exceptionally bright high school student has applied for two scholarships: a merit scholarship and an athletic scholarship. He estimates the following probabilities: The probability of getting the merit scholarship is 0.

A boy bought 9 new cards to add to his card collection of 25 cards. The next day his dog ate half of his collection. How many cards does he have left?