Minutes is the x axis and the yards the y axis
3,17
Total income minus income from plumbing gives us income from rent. Divide that by 12 to give us the monthly income from rent.
61700-4800 = 13700
13700/12 = 1,141.67 a month in rent.
→ 6x² - 2x - 20
→ 6x² + 10x - 12x - 20
→ x(6x + 10 ) - 2 (6x + 10)
→ (6x + 10) (x - 2) .
for
6x - 10 = 0
6x = 10
for x - 2
x = 2