Solve the equation by making an appropriate substitution.x-2 + x-1 - 56 = 0
A. {8, -7}
B. {-8, 7}
C. 
D. 
Answer: C
Mathematics
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Use inductive reasoning to predict the next line in the pattern.18 + 81 = 9919 + 91 = 110
A. 20 + 101 = 162 B. 20 + 101 = 121 C. 101 + 20 = 121 D. 88 + 33 = 121
Mathematics
Determine if the sequence is geometric. If the sequence is geometric, find the common ratio.2, 
, 
, 
, . . .
A. yes, 4
B. no
C. yes, 
D. yes, 
Mathematics
What is the conjugate of -1+j?
What will be an ideal response?
Mathematics
Solve the problem.Let f(x) compute the cost of a rental car after x days of use 
per day. What does 
compute?
A. The cost of rental for x days B. The cost of rental for 24 days C. The number of days rented for x dollars D. The number of days rented for 24 dollars
Mathematics