Two angles are vertical angles . one angle is labeled 2x °. the other angle is labeled (x + 30)°. find the value of x.

Draw out the fraction then show how you would subtract 5 1/4

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

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