HELP
Which BEST describes the system of equations graphed on the coordinate plane?

Which three lengths could be the lengths of the sides of a triangle? 21 cm, 7 cm, 7 cm 9 cm, 15 cm, 22 cm 13 cm, 5 cm, 18 cm 8 cm, 23 cm, 11 cm

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true

Pranza plotted point a in the coordinate plane below.