Answer:
the father ends up paying 18 dollars after everything
Answer:
the answer is 5.50 or the last one
Step-by-step explanation:
hope this helps
Answer:
15
Step-by-step explanation:
Answer:
D. 11655
Step-by-step explanation:
First find the 90th term:
a90=a1+(n−1)d
= -4+89(3)=263
Then find the sum:
Sn = n(a1 + an) / 2
S90 = 90 (-4 + 263) /2
S90 = 23,310/2
<u>S90 = 11,655</u>