Answer:
b=-3
Step-by-step explanation:
-7b=21
-7b/-7=21/-7
x = 4
(2^x = 16)
(2^4 = 16)
(5,-3) in the 4th quadrant
Answer: 1/18
Step-by-step 1/3 divided by 6
1/3 times 1/6 1/18