PQRS is a parallelogram. If mQRS = (8x - 30)° and
mSPQ = (3x + 90)°, what is the value of x?

Need on this one asap im almost done with this subject

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

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