Work the application. Write a legend and an equation. Solve the equation and answer in a complete sentence.A sheet of aluminum is manufactured to have the following shape. The perimeter of the sheet of aluminum is 362 inches. What is the length of the bottom side?
A. Let b = the length of the bottom side.
58 ? b = 362
The length of the bottom side is 348 inches.
B. Let b = the length of the bottom side.
55 + 58 + 119 + b = 362
The length of the bottom side is 130 inches.
C. Let b = the length of the bottom side.
55 + 58 + 119 + b = 362
The length of the bottom side is 354 inches.
D. Let b = the length of the bottom side.
58 + b = 362
The length of the bottom side is 304 inches.
Answer: B
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Use the formula s = r?t to find the value of the missing variable. Give an exact answer.r = 2 cm, ? = 
radian per sec, t = 16 sec
A. 
cm
B. 
cm
C. 
cm
D. 
cm
Solve the problem.Within a group of n people, the number of possible handshakes, N, is given by N = 
(n2 - n). At a party, everybody shakes hands with every other person. If the total number of handshakes is 253, how many people are at the party?
A. 22 B. 23 C. 25 D. 24
Graph the quadratic equation.y = 
x2
A. 
B. 
C. 
D. 
Find the direction the parabola opens, the coordinates of the vertex, the equation of the axis of symmetry and draw the graph.x = -(y + 1)2 + 6
A. 
opens left; vertex (1, -6);
axis of symmetry y = -6
B. 
opens left; vertex (6, -1);
axis of symmetry y = -1
C. 
opens left; vertex (-1, 6);
axis of symmetry y = 6
D. 
opens left; vertex (6, 1);
axis of symmetry y = 1