Answer:
2b+9
Step-by-step explanation:
Twice the quantity b is 2*b = 2b
...and then you add 9 which is:
2b+9
Step-by-step explanation:
The slope of the line passing through two points is given by,

13)



option D
14)





option C
15)





option B
16)



option C
Answer:
n = 2/9
Step-by-step explanation:
switch sides: 63n=14
divide both sides by 63: 63n/63 = 14/63
simplify: n = 2 / 9
Answer:
hope this helps
Step-by-step explanation: