Answer:
D
Step-by-step explanation:
8x-5x+3+9=3x+12
combine like terms
Answer:
c
Step-by-step explanation:
2^4=16
(16-8)/16=8/16=1/2
Answer:
22
Step-by-step explanation:
QS =2×11 = 22
__________
Sum of angles in a triangle is 180 degrees.
2x + 2x + 8x = 180
12x = 180
x = 180/12 = 15
Therefore, the smallest angle mmeasures 2(15) = 30 degrees.