Let x1, x2, x3, x4, x5 be the scores for the five tests respectively and y be the average score of those tests.
y = (x1 + x2 + x3 + x4 + x5) / 5
since y = 85:
(x1 + x2 + x3 + x4 + x5) / 5 = 85
<span>6∙7-3^2∙9+4^3
= 42 - 9*9 + 64
= 42 - 81 + 64
= 25
answer
25</span>
Sub 7 for n
(7+1)(7-2)=
(8)(5)=
40
7th term is 40
Answer:
all ik is that it can't be D
Step-by-step explanation:
Answer:
120ft
Step-by-step explanation:
8 x 3 x 5
