Answer:
a = 3.2
Step-by-step explanation:
2( -a - 8) + 7a = 0
-2a -16 + 7a = 0
5a - 16 = 0
5a = 16
a = 16/5
a = 3.2
Know that you will have to deal with a lot of shapes, formulas, and calculations that you have to memorize
Answer:
1
Step-by-step explanation:
" Choose three values for x and substitute in to find the corresponding y
-values.
"
(
0
,
10
)
, (
1
,
6
)
, (
2
,
2
)
804÷12
=67
so the mean is 67