The following table contains information about moons orbiting a planet named Geo I. Use the table to solve the problem.
What is the average time of revolution of the moons?
A. 25.33 years
B. 1.54 years
C. 2.72 years
D. 949.80 years
Answer: A
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Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.(9x6y-18)1/2
A. 3x3y9
B. 
C. 
D. 
Solve the equation.
- x = 6
A. x = -7 B. x = -7, -3 C. x = -3 D. No solution
We have encoded a message by assigning the numbers 1 - 26 to the letters a - z of the alphabet, respectively, and assigning 27 to a blank space. We have further encoded it by using an encoding matrix. Decode this message by finding the inverse of the encoding matrix and multiplying it times the coded message.The encoding matrix is A = 
and the encoded message is 88, 103, 115, 84, 99, 104, 41, 43, 46, 40, 49, 45, 86, 91, 113, 52, 61, 65.
Fill in the blank(s) with the appropriate word(s).
Find the sum of the geometric series.
+ 
+ 
+ 
+ 
A. 
B. 
C. 
D. 