Which ones are proportional and which ones aren't? There are 2 that are proportional and 3 that aren't. PLEASE HELP!

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.