What are the possible numbers of positive, negative, and complex zeros of f(x) = −3x^4 + 5x^3 − x^2 + 8x + 4?

With math question will mark brainliest question in the pic.

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.