A cell splits in half every 15 minutes. How many cells will there be in 150 minutes (2.5 hours) ?

Pete got 7 items wrong out of 50 on a test. what fraction of the total number of problems did Pete get wrong?

Discrete or continuous graph? A truck driver enters a street, drives at a constant speed, stops at a light, and then continues.

How to turn 5% into a decimal

Estimate 48% of $23.95

Ollie earns a fixed amount of $2,700 per month and a commission of 12% on all of his sales for the month. To cover all of his expenses, he needs to earn at least $5,400 each month.

Evaluate the function f (x) = x 2 + 1 for f (2)

Factor k 2 + 8k + 15. (k + 1) (k + 15) (k + 8) (k + 7) (k + 3) (k + 5) Find the quotient. (6x 2 + 23x + 20) : (5 + 2x) 3x - 4 3x + 4 3x + 19 Select the correct difference.

If the lake is 60 miles away and rene is driving 40 miles per hour how long does it take him to get to the lake

Which expression has a value of 15, using only four 4s and any of the following: +, -, ·, :, exponents, and/or parentheses? A. 44 - (4 : 4) B. (4 · 4) - (4 + 4) C. (4 · 4) - (4 : 4) D. (4 + 4 + 4) : 4

Last year there were 15 porcelain dolls in Lanny's collection, after trading for a rare doll, she now has 12 dolls. What is the percent decrease of her collection?