Answer:22
Step-by-step explanation:
10x2+1x2=
20+2
=22
Put -4 in place of x
-4 to the second power is 16 so it would be 16-(-12)= 28
Answer:
B
Step-by-step explanation:
let the angles be 3k,10k,2k
then 3k+10k+2k=180
15k=180
k=180/15=12
x=10k=10×12=120°
The GCF of 27 and 72 is 9 / The 3rd option!