Answer: B
Step-by-step explanation:
I used heron's formula.
Answer:

Step-by-step explanation:
-32x+45-7(2x-9)=101
parenthesis first
-32x+45-14x+63=101
just combine like terms
-46x+108=101
minus 108 both sides
-46x= -7
answer is x 7 over 46
Answer:
Step-by-step explanation:
y= 1/2x + −7/2