When the price of a dozen eggs is raised by$2.4, 15 fewer eggs can be bought with $60

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

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?

X+y=-4 x-y=2 use elimination with adding and subtraction