Julia has a bag containing p blue marbles and q red marbles. The ratio of blue to red is 2:3. She adds r blue marbles. The ratio of blue to red marbles is now 2:1. What is the ratio between p and r?

What is domain and range in graphs and functions

An experiment consists of rolling two fair number cubes. What is the probability that the sum of the two numbers will be 7? Express your answer as a fraction in simplest form. A) 6/1 B) 1/3 C) 1/6 D) 5/6

Which of the following is a conditional probability? A. the probability that a person will be born with blue eyes or struck by lightning B. the probability that a person will buy a red car. C.

If a card is chosen at random from a pack of 52 playing cards, what is the probability of a queen or a club?

Two different ways to find the value of the expression 5.4*1.17*100 that would not require you to first multiply 5.4 times 1.17

2489:4 with remainder

Linda worked 20 hours and earned $215. At this rate, how much would she earn if she worked 24 hours?

Explain the connection between factors of a polynomial, zeros of a polynomial function, and solutions of a polynomial equation.

Real life situations where you use/see positive 3 and negative 3. 6 examples

Evaluate the following expression when s = - 7. 21-3s