What is the maximum number of solutions each of the following systems could have? Two distinct concentric circles
Two distinct parabolas:
A line and a circle:
A parabola and a cicle

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?

Astudent was asked to find the square of 7x+3. the student quickly wrote (7x+3)^3= 49x^2+9. identify the student's error and provide the correct answer.