Thien and her friends earned $80 washing cars. Thien received $30 from this amount. What is Thien's share as a percentage of the total amount earned?

1. are the corresponding angles congruent 2. find the ratios of the corresponding sides 3. is triangle jkl congruent to triangle rst? if so what is the scale factor

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show

An electrician cuts a 136 foot long piece of cable. one piece is 16 feet less than 3 times the length of the other piece. find the length of each piece