An urn contains 1 red ball, 2 green balls, and 4 blue balls. Three balls are randomly chosen from the urn. How many different color combinations are possible?

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.

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

A ray of light strikes a flat block of glass (n = 1.52) of thickness 1.50 cm at an angle of 36.0° with the normal. Trace the light beam through the glass, and find the angles of incidence and refraction at each surface.