The sum of 2ab^2 and (-5ab^2) is the same as the sum of (-6ab^2) and

? = 3ab^2

for  the sum of (-6ab^2) and 3ab^2

Step-by-step explanation:

2ab^2 +(-5ab^2) =(-6ab^2)  +  ?

-3ab^2 = -6ab^2 +  ?

? = 6ab^2 - 3ab^2

? = 3ab^2

2.

according to newton’s cannonball model, what happens if the cannonball's velocity is enough to overpower the pull of earth’s gravitystep-by-step explanation:

48 / 6 = x

in this case, x will equal the amount of money in each card!

x therefore will be 8.

trent had $8 in each birthday card.