What are the roots of a problem (Math)

S is a subset within a universal set, U. If S = {x, y, 4, 9,?}, which could describe U? O O O O U = {keys on a keyboard; U = {letters U = {numbers) U = {punctuation marks}

Last year there were 400 students at woodland middle school. this year the student pop will increase by 5%. what will be the school population this year

There are eight girls competing in an ice skating competition, in how many ways can they finish in first, second, and third place?

Choose the correct simplification of the expression (7x - 3) (4x^2 - 3x - 6). a. 28x^3 - 33x^2 - 33x - 18 b. 28x^3 33x^2 - 33x 18 c. 28x^3 - 51x^2 - 33x 18 d. 28x^3 - 33x^2 - 33x 18

Josh bought 4 pairs of $12 jeans. He also bought three shirts that were $12 each minus a $2 clearance discount on each shirt. Finally he made a stop to get cookies for his party. The cookies cost $5 per dozen and he needed 4 dozen.

Why does3,600 dived by 6 have the same quotient as 1,800 divided by three

Which of these formulas is correctly written from the original formula to solve for b? a=2bc+d

For the sequence 3,9,27,81 ..., give a formula for its nth term:

25/3 as a mixed or whole number in simplified form

Suppose that F (x) = x^2 and G (x) = 2x^2-5. Which statement best compares the graph G (x) with the graph of F (x) ? A. The graph of G (x) is the graph of F (x) stretched vertically and shifted 5 units to the right B.