ANSWER FOR ALL 4 OF THEM PLZ SHOW WORK . RIGHT ANSWER ONLY

Question 5 spring semester final exam math evaluate

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.

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10