321 / 100 = 3.21 as you are dividing by 10, and then 10 again
The answer is −10d4+17d2s−6s2
A the rent all together is

b the rent alltogether would be

the rent for c would cost
640 including everything
and the rent for d would be

so the answer would be D
hope this helped sorry for late answer
Answer:
4
Step-by-step explanation:
Gradient is the same as slope to get your answer follow this formula y2 - y1 divided x2 -x1 in this problem it will look like this
4 - (-4) /1 - (-1) =
8 / 2 =
= 4
I hope this helps!!