If f(x) =0.32x is a function that represents the cost to send x number of packages from Amazon, what is a reasonable domain for f

Charlie tosses five coins.what is the probability that all five coins will land tails up.

Point a (7,3) is translated to a'(16,-9). which rule describes the translation?

Abari owns 100 shares of stock a and 45 shares of stock b. for the past month, his stocks have been fluctuating inversely. stock a decreased by m cents per share and stock b increased by n cents per share. which equation can be used to find the total change in value of jabari's shares per month?