Answer:
C.
Step-by-step explanation:
a) 2(32-4j+8k-jk)
b)a(3a-ab+3c -bc)
c)m(2m - mn + 2n - n^2)
18
I2=h2+r2
25(2)=h2+7(2)
50=h2+14
-14 -14
36=h2
÷2 ÷2
18=h
x=14.3
its the Pythagorean theorem
