A girl has 78 coins altogether. 21 of those coins are quarters and the rest are dimes. How many are dimes

The students are selling school pencils. If a red or green pencil is pulled from a bag, it is free. The bag contains: 5 red 10 green 15 yellow 20 blue What is the probability that the first buyer will get a free pencil when randomly drawing one from

Carly works at a local bakery. She needs 6 cups of flour to make a cake and 3 cups of flour to make 16 cupcakes.

Come up with a linear function that has a slope that falls in the range - 1 < m < 0

Bananas cost $.65 per pound. Write an equation that can be used to find C, the total cost of P pounds of bananas.

Solve the system x-z=5, 2x+y = 7, y+3z=12

Prove that there exists a unique prime number of the form n2 - 1, where n is an integer that is greater than or equal to 2.

There are 70 high school students attending the annual Johnson High School junior and senior dance. Of the 70 students attending, 30 of the are girls, 24 of the students are seniors, and 6 of the girls are seniors.

What polynomial identity proves that 64 + 27 = 91?

True or False: A rectangular equation that is not a function may be a function in the polar coordinate system

1. What's the area of the above figure, which has sides of length 6 and 8? A. 28 B. 42 C. 14 D. 48