The ratio of yellow marbles to green marbles is 5 yellow marbles to 9 green marbles. If there are 18 green marbles, how many yellow marbles are there?

Carlos and Maria drove a total of 191 miles miles in 3.8 hours. Carlos drove the first part of the trip and average 49 miles per hour. Maria drove the remainder of the trip and average 52 miles per hour.

Which relation is a function? A. { (3,2), (2,1), (1,2), (3,3) } B. { (1,2), (2,4), (-1,2), (0,3) } C. { (5,0), (0,1), (5,2), (4,4) } D. { (0,1), (-4,1), (4,2), (-4,-1) }

A brother is two years older than his sister. In 10 years time the sum of their ages will be 48. Find their present ages

What is a proportion

Find the difference. Write your answer in simplest form. 7/10 - 1/4

Beth is making fruit salad. She adds 3 grapes for every 2 strawberries. If she uses 18 strawberries, how many grapes will she use?

The compliment of an angle is 15 degrees, what is the measure of the angle

What is the y-intercept of the graph equation y=3 (2^x) ? A. 8 B. 3 C. 2 D. 6

Simplify - 7 + [5 + (-12) : 3] - 6 - 34/3 - 8

A class is selling magazines as a fund raiser. Of the 500 magazines sold, Amy sold 1/9 of them. Garret sold 0.145 of the magazines. Robbie sold 11/100 of the magazines, and Carlita sold 0.095 of the magazines. Who sold the most magazines?