8.Solve the system of equations by substitution. y=-1/4x and x+2y=4

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?