Ruben bougt 6 new books for his collection. This increased his collection by 12%. How many books did he have before his purchases.

F (x) = -3x2+2x-5 what is f (-1) ?

ben is filling up his cylinder shaped pool up to 80% of its capacity. If his is 6 feet deep and has a diameter of 18 feet, how much water will he put in the pool.

How do you subtract 206-118

18 months is the same as 1.5 years. a. True b. False is 18 months is the same as 1.5 years.

Drew estimates college tuition and fees, room and board, books, and other charges total $17,239. He will get a $1385 scholarship. Drew has 4 years to save. How much should he save per month to cover the costs of college (minus the scholarship) ?

Who's to make 28% to a decimal

Write 25:15 : : 5:3 as a fraction proportion

R:10+4=5 what does R euqe.

Is 3x=4 a linear function

Triple of a number x decreased by one