2x + y = 10 x - 2y = -5
if (x, y) is the solution to the system of equations above, what is the value of 3x - y?

The product of two negative rational numbers is always zero sometimes zero never zero

Which of the binomials below is a factor of this trinominal? x^2-13+30

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =