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)

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?