Click and place the simplified expression after its original expression. 5x+3x =
7x^2-5x^2 =
2xy+4xy =
8y-3y =

Answer choices are:
6xy
5y
2x^2
8x

PLEASE HELP!!!

Use set builder notation to represent the following set: { -3, -2, -1, 0}

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?