Answer:
The y-int. is 4 and the slope is 1/3
Step-by-step explanation:
Here BD is perpendicular bisector
So

Apply Pythagorean theorem





Answer:
7.5
Step-by-step explanation:
(15/5)-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.2=0
Answer:
72.50/100 X 80 = 58
total cost with mark down $58