Write y=-4x^2+16x-11 in vertex form

The circumference of a circle is equal to pi times the diameter. Which direct variation equation represents this situation?

Q: How does period relate to music or sound?

What is the volume of a box that will hold 567 cubes with 1/3 inch sides

Jada is getting ballons for her uncles birthday party. she wants each ballon string to be 9 feet long. At the party store, string is sold by the yard if jada wants to get 72 ballons how many yard of string will she need

Seven out of thirty students walk to school. Two students are chosen without replacement. What is the probability that both students walk to school?

What is two hundreds, 500 and 600

Suppose that a = {2, 4, 6}, b = {2, 6}, c = {4, 6}, and d = {4, 6, 8}. identify the pairs of sets in which one is a subset of the other (in any order).

You are making a kite. The frame is to be made form two pieces of balsa wood, one measuring 64 inches and the other 38 inches. If you buy 1 square yard of material, will you have enough to piece together the covering for the kite? Explain

Que numero multiplicado me da 160?

What is the least common multiple (LCM) of 6 and 8?