All of the following expressions have the same value, when x = -2 and y = 4, except . -2 xy
-4 x 2
x 2y
(-2) 2y

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

what is

step-by-step explanation:

$320 to $405

step by step explanation:

in one day he earns between $64 and $81

therefore if he works for 5 days, he will earn between 64 x 5 to 81 x 5

= $320 to $405

6 cars because if you have 8 and subtract 2 youll have 6 left over