Answer:
99.5
Step-by-step explanation:
Radius = Diameter/2
199/9
=99.5metres
Answer:
x^3-7
Step-by-step explanation:
The cube of a number means that it is to the power of 3 and 7 is subtracted is just the number cubed and then minus 7.
Answer:

Step-by-step explanation:
Step 1. Calculate the volume of the room
V = lwh = 5 yd × 5 yd × 3 yd = 75 yd³
Step 2. Convert cubic yards to cubic feet
3 ft = 1 yd

Step 3. Convert cubic feet to cords
128 ft³ = 1 cord

Time = distance / speed
time = (1000 mi)/(126.3702 mi/h) ≈ 7.913 h