please answer for 2 and 3! (for 3 use the same things provided for 2 like the angles definition and vertical words)

one that is bigger than 3 1/2

a. she will receive a refund of $278.

step-by-step explanation:

the answer is y < -3 or   y > 3

-3y > 7 + 2

-3 y > 9

y < -3

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11