At a certain time of day, a 5 foot tall man has a 7.5 foot tall shadow. if a tree is 15 feet tall, what is the length of the shadow of the tree?

Which of the following statements is not true? a.parallel lines are lines in the same plane that never intersect. b.congruent figures have the same shape and same size angles and sides. c.similar figures must have the same shape and the same size. d.a rotation is when you turn a figure around a certain point.

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

It says factor each expression completely 8y+48