Determine whether the given expression is a polynomial. If it is, write it in standard form.8x + 10 + 8x2
A. Yes; 8x2 + 8x + 10
B. No
Answer: A
Mathematics
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Solve the problem.Use the exact value cos 72° = 
and identities to find the exact value of sin 72°.
A. 
B. 
C. 
D. 
Mathematics
Write the number in scientific notation.1,047,000,000,000,000
A. 1047 × 1012 B. 1.047 × 10-15 C. 1.047 × 1015 D. 1047 × 10-12
Mathematics
Solve the problem.The table shows the monthly revenue (in millions) for a software company for the first nine months of a recent year. Find the mode of the monthly revenues. 
A. $19.5 million B. $18.5 million C. $18.95 million D. $19.4 million
Mathematics
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(12x + y)(12x - y)
A. 144x2 - y2 B. 144x2 + 24xy - y2 C. 24x2 - y2 D. 144x2 - 24xy - y2
Mathematics