one fifth of the boys in the classroom have brown hair.
Answer:
x(x-1)=72 x=9
Step-by-step explanation:
C=2(pi)r use this equation with 9 in place of r
Answer:
6
Step-by-step explanation:
-3 -1 +2 +8 = -4+10 = 6
Answer:
x = 9
Step-by-step explanation:
set a proportion: 8/12 = 6/x => 8x = 72 => x = 9