I WILL GIVE BRAINLIEST

Step by step
1.
2(x-3)=-8

2.
-3y=18

Tina practice piano for 15 hours last month and 45 hours this month use multiplication to write a statement comparing me i was tina practice during the two months use addition to write a statement comparing the hours tina practice during the two months

What is the multiplicative rate of change of the exponential function shown on the graph?

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer