$60.00 is the original price and $45.00 is the sale price. What is the percent difference

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Pranza plotted point a in the coordinate plane below.