80 + 70 + x + 2x = 360
150 + 3x = 360
3x = 210
x = 70
Angle Q = 70
2(70)
Angle R = 140
Answer:
D.
Step-by-step explanation:
Order of operation states that in order for the addition to be done first, it must be in a set of parenthesis. Then, 4 multiplied by the sum would mean the addition has to be done first. so, yeah.
Don't know if that helps. I hope it does. Have a great day
Answer:
0.072
Step-by-step explanation: