A regular octagon has side length 10.9 in. The perimeter of the octagon is 87.2 in cm and the area is 392.4 in2. A second octagon has side lengths equal to 21.8 in. Find the area of the second octagon. Round to the nearest hundredth.

The sum of consecutive integers is 387. What is the sixth number in this sequence?

The tree diagram below shows all of the outcomes for flipping 3 coins. A tree diagram has outcomes (H, H, H), x, (H, T, H), (H, T, T), (T, H, H), (T, H, T), (T, T, H), (T, T, T).

if clare earns $75 the next week from delivering newspapers and deposits it in her account, what will her account balance be then

m∠A = 42 and m∠C = 57. Find m∠B. A. 81 B. 99 C. 132 D. 147

the length of a rectangular pen is 5 more than its width. The perimeter is 26 meters. Find the length and width.

Sophie uses 16 beads to make a necklace. One fourth of the beads are purple. How many of the beads are purple?

The length, width, and height of Richards Fish tank are 24 inches 16 inches and 18 inches, respectively. Richard is filling his fish tank with water from a hose at the rate of 500 cubic inches per minute.

An urn contains 5 are red balls and 6 blue balls. Suppose 5 are randomly selected without replacement. What is the probability that exactly 3 are red? Answer correct to four decimal places.

The graph of which of the following equations is a straight line parallel to the graph of 3y-1=2x

The science club sponsor is ordering caps and shirts for the boys and girls into science club there are 45 science club members if the caps come in packages of three in the shirts come in packages of five what is the least number of packages of caps