A jar contains four white marbles, five red marbles, and six black marbles. if a marble is selected at random, find the probability that it is white or black.

A population of 100 frogs increases at an annual rate of 22%. How many frogs will there be in 5 years? Write an expression to represent the equivalent monthly population increase rate.

Graph the linear inequality. y < 4x-3

Vivian does this work to find the decimal equivalent of 42/99 What does her work tell you about the decimal equivalent?

Compare these fractions. what happens when you multiply the numerator and the denominator by the same number? 2/3 4/6 6/9

Helen, Francesca, and Olivia each took a test that had 25 questions. Helen got 20 questions correct, Francesca answered 3 questions incorrectly, and Olivia got 84% of the questions correct.

If the radius of a circle is 6in., what is the diameter and circumference of the circle

The ratio of fishing boats to sailboats in a bay is 8:3. There are a total of 24 sailboats in the bay. How many fishing boats are in the bay?

4,140 inches is how many yards

Jane is 3 years older than mary, and mary is twice as old as kay. if kay is x years old, how old is jane?

Which expression is equivalent to 1.7 - 0.5 (0.2x - 1.6) ? A) 2.5 - 0.1x B) 0.9 - 0.1x C) 0.1x - 0.9 D) 0.1x - 2.5