Which factorization is equivalent to 4y2 − 17y + 15? a) (y − 3)(4y + 5) b) (y + 3)(4y − 5) c) (y − 3)(4y − 5) d) (4y − 3)(y − 5)

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Which of the following circles have their centers on the x-axis? check all that apply.

How many quarts of a 50% solution of acid must be added to 20 quarts of a 20% solution of acid in order to get a 40% solution of acid?