Brother=b
b+9=11
b=2
2=1/5a
10=a
a=10
The answer is 10
Hope this helps :)
JKM = M + L
15x - 48 = 40 + 5x + 12
10x - 48 = 52
10x = 100
x = 10
JKM = 15(10) - 48 = 102
180 = JKM + MKL
180 = 102 + MKL
MKL = 180 - 102 = 78
Answer:
I’m pretty sure the answer is A.
Hope this helps!
Answer:
Step-by-step explanation:
Solution,
The perimeter of a triangle=Sum of all sides

Hope it will help you a lot.
Answer:
A
Step-by-step explanation: