Answer:
A im pretty sure if im wrong sorry
Step-by-step explanation:
Answer is A
To find a slope perpendicular to another line, you need to change the sign and flip the fraction.
Your answer:
m = -2/3
He added 7.5 instead of subtracting
B
16
160 * 10% = 16
160 * 0.1 = 16
56.64 m
The circumference of a circle = 2 π r
r = 9m
So,
= 2 π (9)
= 18 π
= 56.64 m
Hope this helps you. Do mark me as brainliest
