Simplify 15 Times Square root of 0.16c^12

Graph the linear function using the slooe and y intercept

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great

Ashley spent half of her lunch money on a turkey sandwich. then she spent two-thirds of the money she had left on a bottle of juice and the rest of the money on a cookie. if the cookie cost $.75, how much lunch money did ashley have to start with?