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%

What is the range of the data below? .8090100

Jace wrote a sentence as an equation. 56 is 14 more than a number. 14+ = 56 which statement best describes jace's work? jace is not correct. the phrase more than suggests using the symbol > and jace did not use that symbol. jace is not correct. he was correct to use addition, but the equation should be 56+ p = 14 jace is not correct. the first number in the sentence is 56, so the equation should start with 56. jace is correct. the phrase more than suggests addition, so jace showed that 14 plus a variable equals 56. o

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2