If the outcome of event a is not affected by the occurrence of non-occurrence of event b, then events a and b are said to be

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?