Answer:
2 hours and 20 minutes
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
The surface area (A) of a sphere is calculated as
A = 4πr² ← r is the radius
here r = 2, hence
A = 4π × 2² = 4π × 4 = 16π units² → A
Answer:
D
Step-by-step explanation:
-9x-9=18
plus 9 on both sides
-9x=-9
divide both sides by -9
x=1
Answer:
Step-by-step explanation:
Answer:
22.5 cm
Step-by-step explanation:
length times width times height