over the weekend and mom went out with her family they went to the morning Cafe while there they spent $44 her mom had a discoun
t of 25% find the price of them after the discount they left a tip of 15% what is the amount of tip luck taking into account the discounted price if sales tax in Nixa is 7.475% calculate what tax would be 
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Answer:
Step-by-step explanation:
4x -10y= 40
Let's rewrite this equation in the slope-intercept form (y= mx +c) so that we can obtain it's slope.
10y= 4x -40
Divide both side by 10:
The product of the gradients of perpendicular lines is -1.
⅖(gradient of line)= -1
Gradient of perpendicular line