(b-7)(b+2) for the polynomical below

There are 12 boy and13 girls in a class. if the teacher randomly chooses a student’s name out of a hat what is the probability it will be a girl

50 points! antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2