Answer:
Step-by-step explanation:
7 feet 1 foot is 12 inches
7*12= 84 inches.
None of the choices are correct.
90 inches is 7.5 feet
62.5 inches is 5.2 feet
75 inches is 6.25 feet
1/8
1/4÷2
=1/8
5.(a)
x²+6x-15=0
(b)
4x²-8x-1=0