Answer:
6
Step-by-step explanation:
I'm not sure if you mean whether a = -3, but if you are to plug in -3 for a you should get:

Answer:
x=4
Step-by-step explanation:
Answer:
7963.9
Step-by-step explanation:
hope this helps
Measure = 1/2 (120-30)
1/2(90)
45
Answer = 45°
Digit above 1.5 is 1.6. Digit below 1.7 is1.6. So the answer is 1.6