Answer:
x=11
Step-by-step explanation:
3x+3(5x-6)= 180
Distribute 3 to 5x and -6
3x+15x-18=180
Combine like terms
18x-18=180
Add 18 to both side
18x=198
Divide 18 on both side
x=11
Answer:
The answer would be 10.72
Step-by-step
You already have two side lengths so you use those to find the 3rd length
+


196-81=115

10.72
Answer:
B
Step-by-step explanation:
that way when surveying everyone she’ll know the exact number
Answer:
I believe it is A
Step-by-step explanation:
Let me know if it is wrong