there are r red b blue marbles and w. white marbles in a bag. Write the ratio of the number of blue mrables to the total of marbles in terms of r, b, and w

Three eights multiplied by one twos

A city that had 8000 thousand people at the beginning of the year 2000 has been decreasing by 3.2% per year. What is the 1-year percent change in the city's population?

Prove that (10) 1/3 > (5) 1/3

A lot of 119 semiconductor chips contains 28 that are defective. Round your answers to four decimal places (e. g. 98.7654). a) Two are selected, at random, without replacement, from the lot.

A man drove 480 miles at an average rate of 40 mi / hour how long did he travel?

If a die is rolled 1 time find the probability of getting a number less than 6

What adds to - 3 and multiplies to - 54

White the number 876,543,210.25 in expanded notation

What is the area of a triangle that has a heaight of 5 feet and a base length of 4 feet

Susan will spend less than $39 on gifts. So far, she has spent $21. What are the possible additional amounts she will spend?