Andy estimated that he would need 72 feet of lumber for a tree house project. He later found that the actual amount of lumber needed was 61 feet. What was the percent error of Andy's estimation? A. 15.28%

B. 84.72%

C. 18.03%

D. 11%

A section of a basketball stadium is set up so that each row has the same number of seats. Kyleigh is seated in the 7th Row from the back and the 8th Row from the front of the section.

What is 29/40 as a decimal

Ex. 4. Suppose that R1 and R2 are equivalence relations on the set S. Determine whether each of these combinations of R1 and R2 must be an equivalence relation. a) R1∪R2 b) R1∩R2 c) R1⊕R2

Solve x2 + 10x + 12 = 36 for x. x = â12 or x = 2 x = â11 or x = 1 x = â2 or x = 12 x = â1 or x = 11

Multiply then simplify radicals 3^√9 * 3^√-24 <- - are both cube root √8y^5 * √40y^2

If a round plate has a radius of 6 inches, what is the area of the plate

Sarah received $55 for her birthday. She used some of that money to buy 3 shirts priced at M dollars each. How much money does Sarah have left? Write The Anwser As An Expression

Divide - 2x^ (3) - 2x^ (2) + 4x+2 by x+2

A taxi cab costs $1.75 for the first mile and $0.75 for each additional mile. You have $20 to spend on your ride. Which inequality could be solved to find how many miles you can travel, if n is the number of additional miles? A 1.75n + 0.75 ≤ 20 B 1.

What side lengths do the area models of 45 and 60 have in common?