You join an aerobics class at the local gym. The cost is $3 per class plus $10 for the initial mem-
bership fee.
17. Write an equation that shows the relationship
between the number of classes n you attend
and the amount you pay p.
18. Evaluate the equation for n = 1, 2, 5, 8, and
10. Organize your results in an input-output
table.
19. Draw a line graph to represent the data in the
input-output table.

#17: p=3n+10

Step-by-step explanation:

#18:

input  output

1           13

2          16

5          25

8          34

10         40

#19: for the line graph, plot the points (1, 13), (2, 16), (5, 25), (8, 34), and (10, 40), and draw a straight line through the points.

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°

it is 10.6 according to my calculations