Jane earns money walking dogs on the weekends. Jane charges $5 for each dog she walks

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

What is the measure of sty in oo below? 130 310 230 50