Answer:
slope= -7/8
Step-by-step explanation:
y2-y1=1-8=-7
x2-x1=8-0=8
-7/8
A=13825
perimeter of a rectangle
=2×(L+B)
=2×(4.3+3.4)
=2×7.7
=15.4
Area of a rectangle
=L×B
=4.3×3.4
=146.2