980N joe and 50kg Suzy are on ice skates. joe pushes suzy and she accelerates at 2m/s2. what force acts on suzy? what is Joes acceleration?

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1

What are linear equations? could'ya explain too me, ? ! and how do you see what graph is a proportional relationship?