Find the area of the circle. Use 3.14 or 
for ? as indicated.Find the area. Use 
for ?.
A. 
or 8
ft2
B. 
or 5
ft2
C. 
or 10
ft2
D. 
or 25
ft2
Answer: A
Mathematics
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Simplify the expression. Assume all variables represent positive real numbers.
A. 4x2
B. 4xy2
C. 4xy
D. 4x
Mathematics
Graph the equation by plotting points.y = x - 3 
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.A group of astronomers detected a radio signal that originated approximately 
light years from Earth. Write 3.857 × 106 in standard form.
A. 3,857,000 B. 385,700 C. 231.42 D. 38,570,000
Mathematics
Shade the solution set to the system of inequalities.x + y ? 2 y ? 2
A. 
B. 
C. 
D. 
Mathematics