-56 * 140 / (-80) equals what need help WILL MARK BRAINLIEST AND TONS OF POINTS

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Could someone me with this question i’ve been stuck on it for 20 minutes