HELPP PLZ AND THANK YOU

so im doing an assignment and its asking me
How much of the activity did you complete in the time period? (Example: I did 24 sit-ups in one minute).
I read 7 pages in 4 minutes
I read 3 pages in 3 minutes
Which of these variables is your dependent variable?
(PLEASE NO GUESSING)

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.

Build is 120 wide 20 feet high 48 feet long how many cubic feet and the volume

True or false: dilations map angles of the same degrees