9. Use the Pythagorean Theorem to answer this question: Which of the following are right triangles?
Show your work.
6, 15, 18 meters
7, 9, 12 ft
30, 40, 50 inches
2.2, 3.4, 3.8

PLEASE HELP!! AND DO NOT ANSWER WITH A FILE

Asap describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x). f(x)=-5.8sin x. g(x)=sin x. a: vertical stretch by a factor of 5.8, reflection across y-axis. b: vertical stretch by a factor of 5.8,reflection across x-axis. c: horizontal stretch by a factor of 5.8, reflection across x-axis. d: horizontal stretch by a factor of 5.8 reflection across y-axis.

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.

Negative 5 1/12 + negative 4 1/4 + 6 3/4