12 Select ALL the correct answers.
Observe the expression below and select the true statement(s).
3y(7 + 2x) + 9xy - 10
The "2" in the first term is a constant.
The "x" in the second term is an exponent.
The "(7 + 2x)" in the first term is a factor.
The "10" in the third term is a coefficient.
The "9" in the second term is a coefficient
The "3y' in the first term is a factor

The center of a circle represent by the equation (x+9)^2+(y-6)^2=10^2 (-9,6), (-6,9), (6,-9) ,(9,-6)

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14

Olivia is using 160 quilt squares to make a red, yellow, and blue quilt if 25% of the quilt are red and 30% are yellow how many quilt squares are blue