Lisa works at a music store. Last week she sold 6 more than 3 times the number of CDs that she sold this week. Lisa sold a total of 110 CDs over the two weeks. Find the number of CDs she sold last week and the

number of CDs she sold this week.

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

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 these angles are supplementary? a. 100o and 90o b. 78o and 102o c. 54o and 146o d. 12o and 78o