Solve the following
equations for n:
-4x – 52 = 2x + 44

You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

On saturday a souvenir shop had 125 customers. sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?