who know how to do this

ok so number 12 the answer is 57 degrees
number 13 the answer is 16 degrees

damn

what do you say

thank you

ywnp. but now you help with mine. the problem is (-2r+3)(2r^3+r^2-4r-7)

what garde ARE YOU IIIIIN

9th grade math, 8th grade tho

oh

ntw you where wrong number 13 is 151

oh rly?

im in 7th but were doing a reveiew and i frogot ll this stuff

ohok

12.) 57
13.) 37

what is 13??