The charge for a plumbing repair was $29.60 for parts, 1 1/4 hr. for labor at $56 per hr. and a $40 for the service call. what was the total cost (c) of the repair?

If 3x+8=3x+8 is it one solution or no solution

What is the slope of the line shown below?

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