What added to what equals -9

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)

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

If a || b and e || f , what if the value of y ?