Find the product.(y + 0.4)2
A. y2 + 0.16y + 0.16
B. y2 + 0.8y + 0.16
C. 2y + 0.8
D. y2 + 0.16
Answer: B
Mathematics
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Write as a mixed number and simplify.
A. 1
B. 3
C. 2
D. 2
Mathematics
Perform the indicated operation. Write the answer in lowest terms.
? 
A. 
B. 
C. 
D. 
Mathematics
Express the radical in simplified form.- 
A. 7
B. -7
C. -6
D. -2
Mathematics
Solve the problem.An airline charter service charges a fare per person of $350 plus $20 for each unsold seat. The airplane holds 125 passengers. Let x represent the number of unsold seats and write an expression for the total revenue R for a charter flight.
A. R(x) = x(350 + 20x) or 350x + 20x2 B. R(x) = (125 - x)(350 + 20x) or 43,750 + 2,500x - 20x2 C. R(x) = 125(350 + 20x) or 43,750 + 2,500x D. R(x) = (125 - x)(350 + 20x) or 43,750 + 2,150x - 20x2
Mathematics