Encode or decode the given message, as requested, numbering the letters of the alphabet 1 through 26 in their usual order.Use the coding matrix A = 
to encode the message CARE.
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Find the exact value of x in the figure.
A. 20
B. 20
C. 20
D. 20
Add and simplify.
+ 
A. 
B. 
C. 
D. 2
Solve the problem.The quadratic function 
models the median, or average, age, y, at which U.S. men were first married x years after 1900. In which year was this average age at a minimum? (Round to the nearest year.) What was the average age at first marriage for that year? (Round to the nearest tenth.)
A. 1953, 36 years old B. 1965, 51.6 years old C. 1965, 21 years old D. 1936, 51.6 years old
Solve the problem.The cost of tuition at Johnson Community College is $180 per credit hour. Each student also has to pay $90 in fees. Write an equation that represents the tuition cost C for x credit hours taken.
A. C = 180x + 90 B. C = 90x C. C = 180x D. C = 180 + 90x