Pls help with this one question

Which of the following could be the ratio of the length of the longer leg 30-60-90 triangle to the length of its hypotenuse? check all that apply. a. 313 6 b. 3: 215 c. 18: 13 d. 1: 13 e. 13: 2 of. 3: 15

Which of the following graphs could represent a cubic function?

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?