Find each percent of change. Round to the nearest whole percent. State

whether the percent of change is an increase or decrease.

1. $12 to $6

Which of the following is an example of the associative property? 215 - 3) = 10 - 6 -7 + (19 + 5) = (-7 + 19) + 5 11 + (6 + 8) = 11 + (28 + 6) 02.3=1

Pythagorean's theorem 16^2+b^2=34^2

Which should be calculated first to solve this story problem? Joey drove his new car 58.3 miles per hour for 3 hours on Saturday, and then 52.8 miles per hour for 4 hours on Sunday. How far did Joey drive altogether? A.

What is the slope-intercept form of the following equation? What is slope and the y intercept? 8x + 2y = 14

When solving a system of equations graphically, why would you need to estimate the solution

90 percent confidence interval for the proportion difference p1-p2 was calculated to be (0.247,0.325). Which of the following conclusions is supported by the interval? A. There is evidence to conclude that p1>p2 because 0.325 is greater than 0.247.

The equation p=4s gives the perimeter p in inches of a square noise pad with a side length of a inches

A common computer programming rule is that names of variables must be between one and eight characters long. The first character can be any of the 26 letters, while successive characters can be any of the 26 letters or any of the 10 digits.

Rewrite the sum 60+90 as the product of the GCF of the two numbers and a sum.

The data set {7, 20, 51, 6, 30, 72, 31, 84, 28, 77, 98} is to be represented by a histogram. Which first interval would most clearly and simply show the distribution of this data? A. 0-5 B. 0-10 C. 0-50 D. 0-100