David drove 96 mph in 8h. what is the unit rate???

Factor the polynomial 8y^2 - 72 btw "^" means exponent

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)