20+n=0 show how you got the answer

A.) 20

B.) - 13

C.) - 20

D.) 0

It is possible to shoot an arrow at a speed as high as 100 m/s. (a) If friction can be ignored, how high would an arrow launched at this speed rise if shot straight up? (b) How long would the arrow be in the air?

A chef planning for a large banquet thinks that 2 out of every 5 dinner guests will order his soup appetizer. He expects 800 guests at the banquet. Use equivalent ratios to estimate how many cups of soup he should prepare.

9e - 2e + 3 + 5e simplify expression

Give example of a function f: N-> N which is: (a) injective but not surjective. (b) surjective but not injective. (c) bijective but not identity function.

2. Find the difference: (3p2 - 2p + 3) - (p3 - 7p + 7) = A Find the difference:

Select the correct product. (a + 8) (b + 3)

Amira is painting a rectangular banner 2 1/4 yards wide in the cafeteria. The banner will have a blue background. Amira has enough blue paint to cover 1 1/2 square yards of wall. Find the height of the bannerif Amira uses all of the blue paint.

What is 12 2/3lb = in oz

How to work the problems out and the answers to 3 of my homework questions?

Two forces of 30 pounds and 40 pounds act upon a body, forming an acute angle with each other. The angle between the resultant and the 30-pound force is 35degree 10'. Find, to the nearest ten minutes, the angle between the two given forces