Kenji has $600 to spend on exercise classes. each weight training class(x) costs $20 and each aerobic class(y) costs $15. write an inequality for this situation and determine which ordered pair is a solution to the inequality. a. 645-09-08-00-00_files/i02.jpg c. 645-09-08-00-00_files/i021.jpg b. 645-09-08-00-00_files/i022.jpg d. 645-09-08-00-00_files/i023.jpg

The parabola opens: y=√x-4 (principal square root) up down right left

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

Which of the following represents a function? 50 !