Type the correct answer in each box. consider the expressions shown below.
a -9x^2-2x+7
b 9x^2-2x+2
c 9x^2+2x-7

complete the following statements with the letter that represents the expression.

(7x^2-5x+3)+(2x^2+3x-1) is equivalent to .

(3x^2-4x-4)+(-12x^2+2x+11) is equivalent to .

(4x^2-3x-9)+(5x^2+5x+2) is equivalent to expression .

B, A and C.

Step-by-step explanation:

(7x^2-5x+3)+(2x^2+3x-1) is equivalent to expression B .

(3x^2-4x-4)+(-12x^2+2x+11) is equivalent to expression A .

(4x^2-3x-9)+(5x^2+5x+2) is equivalent to expression C .

You combine like terms to arrive with the answer.

a. 32 degrees

step-by-step explanation:

here we have to use the rule.

m∠e = 1/2 (major arc - minor arc)

m∠e = 1/2 (212 - 148)

m∠e = 1/2 (64)

m∠e = 32 degrees

answer: a. 32 degrees

you