The sum of what number and -9 is -3 ?

Let the number be x.

Therefore, by the problem

x + (-9) = -3

or, x -9 = -3

or, x = -3 +9

or, x = 6

The answer is 6.

a) 0.25x times 3. (could be wrong on equation.)

b) 2.25 pound of dark chocolate. (can i eat all the chocolate? plz? anyway, again, could be wrong, but i hope im right. all the chocolate together should be 5.25 pounds)

have a good day!

pretty sure 750 each month!

step-by-step explanation: