When x + y = 30 and x < 13, which of the following must be true? y = 30
y > 17
y = 17
y < 17
y > 30

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

Question 5 spring semester final exam math evaluate

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.