868 is about 870, and 28 is about 30, so your expression would be 870 divided by 30 which would be 29 and the actual answer is 31, so your estimate would be close to your actual answer.
Answer:
Step-by-step explanation:
(r/s)(x) is the quotien of r(x) = 3x - 1 and s(x) = 2x + 1:
r 3x - 1
(-----)(x) = ----------
s 2x + 1
Answer:i got it wrong but the guy who says its 113.04 ft^2 is right
Answer:
256m²
Step-by-step explanation:
A=1/2{(b+b)×h}
A=1/2{(13+19)×16}
A=1/2(32×16)
A=1/2(512)
A=256
