Which of the following is a perfect square?

65, 144, 68, 131

If an outfit consist of jeans, shirt, a sweater and a scarf, how many different outfits can a person make from one pair of jeans, for shirts, three sweaters and two scarves?

Suppose that combined verbal and math SAT scores follow a normal distribution with a mean 896 and standard deviation 174. Suppose further that Peter finds out he scored in the top 2.5 percentile (97.5% of students scored below him).

Paul volunteered at the senior center for 3 9 10 3910 hours on Saturday and 5 1 6 516 hours on Sunday. How many hours did Paul volunteer altogether at the senior center?

Whats the gcf of 36 and 90?

1. Which expression is the completely factored form of x^6-64y^3? A. (x^2-4y) ^3 B. (x^2-4y) (x^4+4x^2y+16y^2) C. (x^2+4y) (x^4-4x^2y+16y^2) D. (x^2-4y) (x^4-16y^2) 2. What is the missing term in the factorization? 12x^2-75=3 (2x+?) (2x-5) 3. Factor.