Data regarding the amount of money earned and saved by teenagers were collected. the graph shows the correlation between money earned (in dollars per hour) and money saved (in dollars):
estimate the average rate of change from x = 3 to x = 11.
a- 8
b- −1.75
c- −8
d- −0.57

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

Madeline takes her family on a boat ride. going through york canal, she drives 6 miles in 10 minutes. later on as she crosses stover lake, she drives 30 minutes at the same average speed. which statement about the distances is true?