If cos(90-θ)=BC/CA, write the ratio of cosθ?

Which statement about the graph of y = 8(0.25)^2

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is