exam Maths Puzzle Numerical Ability

solve each system of equations. Let z be the parameter
x+2y+3z=11
2x-y+z=2

Read Solution (Total 0)

exam Other Question

Graph f(x) = 3x + 2 On an achievement test, ninth graders averaged 93% and eigth graders averaged 75%. A total of 90 students took the test and averaged 87%. How many ninth graders took the test?