In ΔCDE, the measure of ∠E=90°, the measure of ∠C=70°, and DE = 12 feet. Find the length of CD to the nearest tenth of a foot.

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent