The formula of the midpoint of HE:

We have H(0; 0) and E(2a; 2a). Substitute:
Answer:
$22.68
Step-by-step explanation:
21×.08= 1.68
21+1.68=22.68
Total cost =$22.68
Answer:
56/5
Step-by-step explanation:
2 4/10=24/10
8 4/5=44/5
24/10+44/5=24/10+88/10=112/10=56/5
It would be $ 6,750 or a total of $19,250
If the answer you were looking for was long and had a E in it, it would be 2.79552e10