Sin(x+20)°=cos(y−10)°
A: X=20 Y= 60
B: X=30 Y=60
C: X=30 Y=40
D: X=20 Y=50

I'm terrible at math any here is appreciated.

The perimeter of a rhombus with a side of 6 is 24

What are the coordinates of the point is 1/4 of the way from a (-6, -3) to b (6, 1)? a. (-3, -2) b. (0, -2) c. (-1, 0) d. (3, 2)