Aperson who is six feet tall casts a 3-foot-long shadow. a nearby pine tree casts a 15-foot-long shadow.
what is the height hh of the pine tree?

Solve by any method (graphing, substitution or linear combination)y = x - 82x + 3y = 1a) (2, -6)b) (5, -3)c) (4, -4)d) (0, -8)i figured it out. the answer is (5, -3)

52 cm radius = diameter = area = circumference = circumfer

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?