for the polynomial f (x) = 5x ^ 2 + 2x + 4. Find the coefficient of x ^ 4 in the expansion to the polynomial of the expression g (x) = f (f (f (f (x

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.

This is about circle theorems. someone asap : (

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?