A computer originally priced at $850 is on sale for 15% off. What is the sale price of the computer?

What is the measure of angle afe? 79 81 91 99

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)

How can you tell when x and y are not directly proportional?