3. how many solutions does the system of equations have?
3x = -12y + 15 and x + 4y = 5
a. one
b. two
c. infinitely many
d. none

4. how many solutions does the system of equations have?
y= 5x + 7 and y = 5x + 8
a. one
b. two
c. none
d. infinitely many

5. how many solutions does the system of equations have?
x-3y = 15 and y = 1/3x - 5
a. one
b. two
c. none
d. infinitely many

6. y - 5x = -6
y - 5x = -4
a. one
b. two
c. infinitely many
d. none