The two figures above are congruent. Find the measure of the angle that isn't labeled on either figure.

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.