Answer:
The expression for the perimeter of the rectangle is: 
Step-by-step explanation:
Perimeter of a rectangle:
A rectangle has length l and width w. It's perimeter is given by:

In this question:

So

The expression for the perimeter of the rectangle is: 
Step-by-step explanation:
since both cords are equal, so are arc length
4x + 18 = 7x - 51
3x - 21 = 0
x = 7
arc RS = 4(7) + 18
Answer:
Charleston
Step-by-step explanation:
The film then details his walks across the United States between 2007 and 2010 totaling 4,263 miles (6,861 km) to draw attention to the plight of homeless children. Filmed in and around Charleston, South Carolina in May 2010, Little Red Wagon cost a reported US$5 million to produce
Answer:
.216
Step-by-step explanation: