Which relation is a function?
a. x y
4 -2
5 -3
6 -2
7 -3
b. x y
3 10
2 20
3 30
4 40
c. x y
-5 2
-5 3
-10 4
-10 5
d. x y
10 15
20 25
8 30
20 35

Asap 25 pts + brainlest to right/best answer

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy

Secant be and cf intersect at point d inside a what is the measure of cde