How to find the volume of a sphere of the radius is 4

look it up

Step-by-step explanation:

V=(4/3)(pi)(4)^3=268.08 or 268.1 depending on whether u round to nearest tenths or hundredth place

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

d 600 because 15*10*2=300

300+300=600

step-by-step explanation: