Answer:
above beat me to it he is right
Answer:
x=20
m<B=92 degrees
m<C=40 degrees
Step-by-step explanation:
48+6x-28+2x=180
20+8x=180
8x=160
x=20
(6(20)-28)=92
2(20)=40
So, x=20, m<B=92 degrees and m<C=40 degrees
7(3)^2 - 3(3) - 6 = 7*3*3 - 3*3 - 6 = 63 - 9 - 6 = 48
Answer:
-6.5
Step-by-step explanation: