Find a general term an for the arithmetic sequence.a1 = 2, d = 4
A. an = 2(4)n-1
B. an = 2n - 4
C. an = 4n - 2
D. an = 4n - 1
Answer: C
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Find the volume of the solid bounded above by the surface
?
?
and below by the plane region R.
?
and R is the region bounded by the graphs of 
and 
.
?
A. 
B. 
C. 
D. 
E. 
Write the standard form of the equation of the circle with the given center and radius.(0, 5); 
A. x2 + (y - 5)2 = 6 B. (x + 5)2 + y2 = 36 C. (x - 5)2 + y2 = 36 D. x2 + (y + 5)2 = 6
Solve the problem.A triangle drawn on a map has sides of lengths 9.0 cm, 12 cm, and 13 cm. The shortest of the corresponding real-life distances is 108 km. Find the longest of the real-life distances. Round to the nearest unit.
A. 75 km B. 156 km C. 144 km D. 117 km
Find the value of the variable that satisfies the equation.4x + x = 45
A. x = 8
B. x = 
C. x = 
D. x = 9