**PLEASE HELP** If you could solve this and show your work I would really appreciate it. I'll also make you the brainliest!​

Atriangle has side lengths of 15 inches and 30 inches. it also has angles that measure 45º and 20º. which of the following identifies the possible third angle of the triangle? a. 15 in., 65º b. 45 in., 65º c. 17 in., 115º d. 14 in., 115º

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.