In a system of equations, two different lines intersect. How many solutions does the system have?
a) Zero
b) One
c) Two
d) Infinitely many

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.