A bag contains five yellow marbles, nine red marbles, three blue marbles, six white marbles, and seven black marbles. What is the theoretical probability of pulling a black marble from the bag?

If 3 (x-1) - 2 (x-1) = 7, then the value of (x-1) is (A) 6 (B) 7 (C) 8 (D) 9

Solve for y 3x+2.75y=2 (.625y+5)

What is the common ratio in the sequence 6 12 24 48 96 A-2 B2 C6 D1/2

A tower casts a shadow that is 60 feet long when the angle of elevation of the sun is 65 degrees. How tall is the tower?

Yvonne put $4,000 in a savings account. At the end of 3 years, the account had earned $960 in simple interest. How much does she have in her account at the end of 3 years? At what annual simple interest rate did the account grow? Show your work.

What are two equivalent equations?

Simplify. -5x - 10x + 20 -5

Sarah has a collection of 15 books. Seven or the books are fiction and 8 are nonfiction. What is the ratio of fiction books to total books?

Question from Test: NO calculator allowed, how do you do this? 1.) If 3^5x+1 = 11 then x=? (Yes, the 3 is raised to 5x+1.)

For the parallelogram if m<2 = 5x-28 and m<4 = 3x-10, find m<3 a. 9 b. 17 c. 173 d. 163