The surface area, S, of a sphere of radius r feet is S = S (r) = 4πr2. Find the instantaneous rate of change of the surface area with respect to the radius r at r = 4.

a. 32pi

b. 16pi

c. 64pi

d. 4pi

Glenn's house is at sea level. In the morning, he walks downhill to visit a friend, whose house is at an elevation that is 11 feet below sea level. At the end of the day, Glenn walks past his house to the hill top to watch the sunset.

Jarred wants to by a go-cart for $1,200

Murad bought his house for Rs. 300000 and sold it for 600000. what was the percentage of increase.

In a sample of 32 city residence, 24 reported that they take vitamin C supplement daily. There are 46,480 residence in the city. Which estimate represents the number of city residents who take vitamin C supplement daily?

The function y = 60x 1+0.625x models the moose population in a small New Hampshire forest over a period of time. What is a reasonable domain for this function? A) 0 < x < ∞ B) - 1.6 < x < ∞ C) - ∞ < x < ∞ D) - ∞ < x < - 1.6

Solve this, if u r brilliant ... 1. I am a 11 letter Indian city. 2. Last 6 letters is fruit name. 3. 7,8,3 letters is a bird name ... 4. 6,7,5,3 is a part of the face. 5. 1,8,3 is used by student 6. 9,5,3 is a soap name 101% brain work. Reply.

What is the work for 812 divided by 4 short division

Katie is 3/5 of the way to brianna's house. larry is 7/10 of the way to briannas house. how much closer to briannas house is larry

State the number you would multiply each side of the proportion by to isolate the variable. r/6 = 5/6

The Austin college bookstore is giving a discount of $8 on calculators that's normally sell for $24. what is the discount rate?