What fraction is equal to. 13

The sum of a number and 2 times the number is 21. Find the number.

What is the converse of the following: "If n is prime then n is odd or n is 2." A. If n is prime then n is odd or n is 2 B. If n is odd or n is 2 then n is composite. C. If n is even but not 2 then n is composite. D.

The U. S.-based motorcycle manufacturer says that it expects to build 149000 motorcycles this year, up from 134000 last year. Find the percent of increase in production

Maya makes $7.25 an hour. This week she worked 20.25 hours. Estimate how much Maya made this week by rounding the numbers involved in your calculations to the nearest whole number.

Describe 52 in two ways.

How many times would it take to walk 1,000,000 yards in a park that is 150 yards on one side and 125 on the other

8y-36 factor the expression complete

Find the volume of a box that will hold nine 9.425 cm3 cylindrical containers that each measure 3 centimeters long. (round to nearest whole number)

What is the explicit formula for this sequence? 2, 10, 50,250, 1250 ...

A fruit salad contains 25 blueberries and 20 raspberries. What is the ratio of blueberries to raspberries in the fruit salad? A. 4:9 B. 5:4 C. 4:5 D. 5:9