Supplementary angles are 180 in total, so to find the answer you do 180-10, which equals 170. The answer is 170
Answer:
Step-by-step explanation:

Plot the points(0 ,-4) , (5 , -5) and (-5 , -3 ) in the graph and join the points.
You can set it up like:
400/2.5 = 600/x; now cross multiply
400x = 2.5(600)
400x = 1,500; now divide both sides by 400 to isolate the x, and you get x = 3.75 hours
Answer: 13 comic books
Step-by-step explanation:
1st add 18 + 8 which equals 26
2nd subtract 130 - 26 which equals 104
3rd divide 104 / 8 because each comic book was $8
4th your answer is 13 comic books