Avis car rentals rents cars for flat rate of $25 and charges an additional $20 per day. Budget car rentals rents cars for a flat rate of $5 and an additional $30 per day

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

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.

Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4