-1.5 + k is the same thing as k - 1.5
and if we want to get k all by itself, we need to add 1.5 on both sides, not add -1.5
so
-1.5 + k = 8.2
-1.5 + 1.5 + k = 8.2 + 1.5
k = 8.2 + 1.5
k = 9.7
D because the shaded region has one side and subtract by pie and substitute to get this answer.
Answer:
C. He should have added t instead of subtracting t.
Step-by-step explanation:
There are only 1 and 13 bc it is a prime number