Iam a quadrilateral with two sets of parallel equal sides and right angles

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)