The sum of the ages of Mr and Mrs Smith and their children is 100. in 5 years time it's 130. how many children do they have

Alice and Dave left school at the same time walking in opposite directions. Alice walked at an average speed of 280 ft/min and Dave walked at an average speed of 320 ft/min. How far apart were they in 1 minute?

What is 16 over 56 by simplifying fractions

A color printer can print 36 pages in 3 minutes and 108 pages in 9 minutes. If the number of pages varies directly with the time, at what rate is the color printer printing?

If x varies inversely as y and directly as t, and x = 12 when t = 10 and y = 25, find y when x is 6 and t = 3.

What is not true about the absolute value of - 6

The probability of spinning an even number and flipping heads is

Pat is paid an annual salary of $104,000. Find Pat's weekly salary.

2,400 principal earning 2%, compounded annually, after 7 years. Find the balance in the account

Find each probability if a die is rolled. P (divisible by 4)

The Hamptons Family has a fish tank holding 10,450 ml of water. The water is leaking at a rate of 270 ml per minute. How much water will be left in the tank after 15 minutes?