Answer:
16
Step-by-step explanation:
Given
4c + d and c = 5, d = - 4, then substitute values into the expression
= (4 × 5) + (- 4) = 20 - 4 = 16
Answer:
1,288
Step-by-step explanation:
First, you are multiplying a negative by a negative, so the answer will end up positive.
Answer:
see explanation
Step-by-step explanation:
The surface area (A) of a sphere is calculated as
A = 4πr² ← r is the radius, here r = 9, thus
A = 4π × 9² = 4π × 81 = 324π ≈ 1017.9 units²
Answer:
Factorizing as the Difference of Two Squares
1. 144x2 - 49
Step-by-step explanation:
Where is the picture?
