The whiteboards she bought cost $35, and she spent a total of $51.20, subtract to find out the total amount she spent on posters:

So she spent a total of $16.20 on posters, now divide by the amount one poster costs to find out how many posters she bought.

So she bought 3 posters.
Answer
M would be 0 because the slope is 0
Explanation
The slope of a line is change in Y / change in X. The slope of a horizontal line = 0
Answer:
increasing
Step-by-step explanation:
y = 1/2x +2
This function is increasing because the slope is positive.
Answer:
z = 50.2802734375
Step-by-step explanation:
y = 15.5
y is 512 times x
z is 50.25 more than x
15.5/512 = 0.0302734375
x = 0.0302734375
0.0302734375 + 50.25 = 50.2802734375
z = 50.2802734375
Answer:
9.9
Step-by-step explanation: