How do I solve for the derivative of y=r/sqrt (r^2+1) ?

Figure A is a cylinder. Figure B is a cone. The figures have the same height and the circular bases have the same diameter.

The height of a wide screen television screen is directly proportional to its width. A manufacturer makes a television screen that its 60 centimeters wide and 33.75 centimeters high. Find the height of a television screen that is 90 centimeters wide.

You roll a six sided number cube (die). What is the BEST answer for the probability that the number rolled is between 1 and 6? A) certain B) unlikely C) impossible D) very likely

Lowest fraction using common term 28/35

The Choco soda company offers canned drinks that hold a volume of 56.52 in and measqre 8 inches tall. What i the radius of their cans? Round your answer to the nearest tenth.

There are x sparrows in a tree. There are 50 sparrows on the ground beneath the tree. Let y represent the total number of sparrows in the tree and on the ground. Express y in terms of x.

What is the approximate volume of a cylinder with a diameter of 12 meters and a height of 7 meters? Use 3.14 for pi. A. 131.9 m3 B. 263.8 m3 C. 791.3 m3 D. 3165.12 m3

When was the devil born?

Use the distributive property to solve 6*35

Dan and Mario went to a sandwich shop to buy sandwiches