Answer:
perimeter of rectangle = 2(l+b)
= 2 (9+5)
= 2 X 14
= 28 cm
is the perimeter of rectangle
Answer:
The distance is
or
.
Step-by-step explanation:
Slope of parallel: 2
Slope of perpendicular: -1/2
Pick a point for y =2x + 7. For example (0,7)
Use the perpendicular slope to get to the other line to find the other point of y=2x-3. Look at the screenshot...I got (4,5).
Distance formula 
Insert (0,7) and (4,5)
= 
Answer:
the third side would be 5 inches.
Step-by-step explanation:
Answer:
3
Step-by-step explanation:
Same as: 8.5-5.5 = 3