Its a multiplication by -3 on each term, so I think you're gonna answer is by r=-3, maybe?
Answer:
0
Step-by-step explanation:
Any number multiplied by zero is equal to zero. So if the product is zero, one factor must be zero. Since you already have a nonzero factor, the other must be zero.
The answer is 48 because the first one is multiplying by 4 the next is 5 the next is 6 the next is 7 and the last is 8
