I need the answer and the explanation/ angle name pls help this is a quiz grade

y=z(vertically opposite angle)

a=z(alternate angle)

z=d(corresponding angle)

z+c=180(co-interior angle)

y+z=180 is incorrect

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.

14 ft 7 inches

step-by-step explanation:

since each model inch corresponds to 25 real inches, 7 model inches will correspond to

7×25" = 175"

at 12" per foot, that is 14 feet, 7 inches.