How many solutions does the system of equations have?
3x+12y=20
y=-1/4x+5/3
a) one
b) two
c) infinitely many
d) none

Question 7 of 47 1 point what is the equation of a line with a slope of 1/2 that passes through the point, (-2,5)? o a. 1/2x+3 o b. y=1/2x+5 o c. y=x+5 o d. y=1/2x+6

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?

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.