Determine the equivalent system for the given system of equations: 5x + 3y = 1 4x − 5y = 4 5x + 3y = 1 8x − 10y = 4 5x + 3y = 1 9x − 2y = 5 −5x − 3y = 1 4x − 5y = 4 2x + 3y = 7 9x − 2y = 4

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%.

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?