Answer:
81
Step-by-step explanation:
Take half of the x-term coefficient, and square it.
Half of 18 is 9.
9² = 81
Answer: 81
2×πr² + 2πr×h =
= 2×π×4² + 2π×4×10.5 =
= 32π + 84π =
= 116π ≈
≈ 364.42 cm²
He switched the divisor and the dividend when creating an equation to model the problem in step 1.
got it right on edgenity quiz
3
,
4
56
−
79
82
0
