David has a collection of computer games. Last year, he had 400 CDs in his collection and this year he has 120% as many CDs as he had last year. What is the size of his CD collection this year?

10. Kilimanjaro, the tallest mountain in Africa, is 19,340 ft tall. What is the distance from the summit of Kilimanjaro to the horizon to the nearest mile?

Given the lengths of two sides of a triangle, find the range for the length of the third side (between what two numbers should the length of the third side be). Write the inequalities for each case. 13.2 and 6.7

True or false 7 have a greater absolute value than - 9. Explain.

The product of 5 and the difference between a number and 7 is 75, what is the number

What is 645 divided by 5

uppose the sales tax rate in a certain state is 8% of the purchase price. If a new food processor sells for $750, how much is the sales tax?

Place these marbles in a bag, close your eyes, and choose a marble, what is the probability that it will be yellow? [?] Simplify the fraction

Given the line 4x-2y=8, find the slope.

16. Jeruto was born when her mother was 27 years old and her father was 30 years old. After how many years will the mean age of Jeruto and her parents be 26 years?

Given the equation y = |x| - 2 and the x values of - 2, - 1, 0, 1, 2, substitute x and choose the correct set of y values below.