Factor the trinomial below. x^2-3x-40
a. (x-5)(x-8)
b. (x+5)(x+8)
c. (x-5)(x+8)
d. (x+5)(x-*8)

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.

Arational number that is equivalent to -20/4?

Will mark the brainliest.paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each?