Answer:
b
Step-by-step explanation:
Area is length times width [A=(L)(W)], if we know that the area of the card is 3/10 and the length is 4/5 we can set up the equation 3/10=(4/5)(W) where W is width. Solve for W by deciding both sides by 4/5 and we get that W=3/8. To find the perimeter of the card were have to add up all the sides of the card so 3/8+3/8+4/5+4/5 which equals 47/20
Use the equation y2-y1/x2-x1
This gets you the equation
6-3/5-(-4) which equals 3/9
Simplify it to get the actual slope
So the slope is 1/3x