Divide.
A. 5x2 + 2x + 4 + 
B. x2 + 4 + 
C. 5x2 + 2x + 4 + 
D. 5x2 + 2x + 4
Answer: C
Mathematics
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Solve the systems of equations by the addition method. 
A. 
B. 
C. {(6, 3)}
D. no solution; ?
Mathematics
? = central angle of a circle, r = radius of the circle, s = length of the intercepted arc, 
speed, 
speed, and t = time. Find the missing quantity. Give an exact answer unless otherwise indicated.r = 4 inches, s = 7 inches, ? = ?
A. 0.57 radian B. 1.75 radians C. 2 radians D. 1.5 radians
Mathematics
Simplify.
A. 
B. 4(a - 5b)
C. 4
D. 1
Mathematics
Use a calculator to find the value of y in degrees rounded to two decimal places.y = cot-1 4.132
A. 14.01° B. 13.60° C. -13.60° D. 75.99°
Mathematics