What is the rate of change of the area of a circle with respect to the radius when the radius is r equals 4 in. r=4 in. ?

Andre has 4 times as many model cars as Peter and Peter has one-third as many model cars as jade Andre has 36bmodel cars how many model cars Peter has?

Trish is solving for the zeros of the quadratic function f (x) = 2x2 - 3x + 3. x = StartFraction negative b plus or minus StartRoot b squared minus 4 a c EndRoot Over 2 a EndFraction x =

Louise used 0.7 pound of 5 pounds what percentage did she use

What is the least common multiple of 5 and 2?

What is the answer to 3 (8-a) = 12

it takes the earth 24 hours to complete a full rotation. It take the sun approximately 25 days, nine hours, and seven minutes to complete a full rotation. How many hours does it take the sun to complete a full rotation?

you need 418 yards of blue silk to make one bridesmaid's dress and 358 yards of the same fabric to make another. How many yards of blue silk do you need to make both dresses?

What is the answer to x/3-9=-5

One of the highest snowfall rates ever recorded was in silver lake, colorado, in april 1921, when just over 7 feet of snow fell in 27.5 hours. what was the rate in inches per hour

On a sunny day an office building casts a shadow that is 80 feet long. At the same time, a 5 foot person casts a 6 foot shadow. Determine the height of the office building to the nearest foot.