A triangle has vertices at (2, 3). (-1, -2), and (-3,1). What is the approximate perimeter of the triangle? a.) 12 units
b.) 13 units
c.) 14 units
d.) 15 units

the answer is here: : )

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the solution, from the graphing of the two lines, is (3,2), i.e., x = 3, y = 2.

the distance between the school and her home is 3.6km.

12 mins = 0.2 hours = 1/5 hour

54 ÷ 3 = 18km per hour

1/5 of 18 = 3.6km per 12 mins