Plz answer! Ill give Around 20-25 points AND brainiest!! Find the surface area of each net!

(Plz put the answers in the order of how the images are posted, or say which answer goes with each image!) Tysm :)

Given: △abc, ab=15, bd=9 ad ⊥ bc , m∠c=30°. find: the perimeter of the triangle.

Solve: 3x+y=6 4x-2y=18 show all work !

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.