one angle of a triangle has a measure of 66°. the measure of the third angle is 57° more than 1/2 the measure of the second angle. the sum of the angle measures of a triangle is 180°. what is the measure of the second ange? what is the measure of the third angle?​

What signals you that factoring by grouping is the best method to use when factoring a problem?

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

7+(3n++8) what is the answer to this?