The leather depot buys a coat from a supplier for $90 wholesale and marks up the price by 40%. if the retail price is $134.82 , what is the sale tax?

Me answer number 3plz explain how you do it

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.