1+2+3+... +n=
((1+n) x n) /2
is that the things you want
Answer:
7488 inches
Step-by-step explanation:
I think that this is the correct answer. The reason is that you have to multiply 72 x 104. I´m not 100% sure.
Answer: B
Step-by-step explanation:
a is negtive bcs grph opens down. h value is -1 and k is +2
The answer will be c
Hope it's help you