false
step-by-step explanation:
4y - 6 + 4y^2 - 9
before simplifying this contains 4 terms
after simplifying
4y -15 + 4y^2
it contains 3 terms
answer: b
x2 = 16
x can not be a negative number because 16 is positive
the only answer would be positive 8
14 ft 7 inches
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.