Find the derivative of f (x) = 8 divided by x at x = - 1.

A. 4

B. 0

C. 8

D. - 8

A girl has 78 coins altogether. 21 of those coins are quarters and the rest are dimes. How many are dimes

Which method is valid for proving that two circles are similar? a - Calculate the ratio of the diameter to the radius for each circle and show that they are equal.

Scott Samuels had pharmaceutical sales of $42,500 last month. If his commission rate is 9%, find the amount of his commission.

You decide to become a neurosurgeon. after high school, you will need four years of college, four years of medical school, five years of residency and a two-year fellowship. assume you graduate high school at 18.

The probability that a professional baseball player will get a hit is 1/3. Calculate the exact probability that he will get at least 3 hits in 5 attempts.

a delivery truck is transporting boxes of two sizes: large and small. the combined weight of a large box and a small box is 75 pounds. the truck is transporting 50 large boxes and 70 small boxes.

You are studying different function tools and begin working with this function y=-160-9 (x) Use the equation to answer the question y=-160-9 (x) What is the Y value when X equals - 13? y=-160-9 (x)

Why are some techers dont teach right and then complain that all ther students are faling

A baker sold blueberry muffins. he sold 20 more carrot muffins than blueberry muffins. He sold 3 times as many bagels as carrot muffins. How many bagels did he sell

A factory uses 3/4 of a barrel of raisins in each batch of granola bars. Yesterday, the factory used 1 1/2 barrels of raisins. How many batches of granola bars did the factory make yesterday?