PL DO THE WHOLE THIN

NO WORK = NO CREDIT = REPORT
GIVING BRAINLIEST

∠1 and ∠2 are complementary. ∠1=x°∠2=(3x+30)° select from the drop down menu to correctly answer the question. what is the value of x? . a.15 b.25 c.30 d.40 e.55

Can you me find the missing length. i attached an image.

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