Write the standard form of the equation of the circle described.Center 
, r = 4
A. 
2 + 
2 = 4
B. 
2 + 
2 = 16
C. 
2 + 
2 = 4
D. 
2 + 
2 = 16
Answer: B
Mathematics
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Find the simple interest. (The rate is an annual rate unless otherwise noted. Assume 360 days in a year.)p = $500, r = 8%, t = 2 years
A. $31.25 B. $2000.00 C. $80.00 D. $8.00
Mathematics
Solve the problem.A bridge with a semi-elliptical arch extends over a river as shown. Find an equation of the ellipse that represents the arch of the bridge.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve the equation.
+ 5 = x
A. 2, 9 B. 9 C. 9, 18 D. 2
Mathematics
Without solving, determine the character of the solutions of the equation.x2 + 5x + 8 = 0
A. a repeated real solution B. two complex solutions that are conjugates of each other C. two unequal real solutions
Mathematics