5. Which of the following shows the equation after the variables have been collected on the left
and the constants have been collected on the righi?
- 2x + 13 = -7x + 28
A. -9x = 15
B. 5x = 15
c. 5x = 41
D. -9x = 41

An angle that measures between 90 and 180° is called a(,

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true

Answer each of the questions for the following diagram: 1. what type of angles are these? 2. solve for x. what does x equal? 3. what is the measure of the angles?