Can someone help ?! Please

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

Find the solution set of this inequality. select the correct graph. |8x+16|> 16

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?