Answer:
-4r³s -3r² +2rs -5
Step-by-step explanation:
The powers of r in each of the terms from left to right are ...
3, 1, 0, 2
Arranging these in descending order gives the sequence of terms ...
-4r³s -3r² +2rs -5
Answer:
none
Step-by-step explanation:
He is going to get double the amount becausehe is doing this over the weekend
\[\sum_{n=1}^{7} 2(-2)^{n-1}\]
Step-by-step explanation:
assuming j+12 us equal to 0
j+12=0
j+12-12=0-12 (subtract 12 on both sides)
so j is now equal to
j = -12
