Find the value of y. 120° y = ?°

Given f(x) = 17-x^2what is the average rate of change in f(x) over the interval [1, 5]?

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?