Perform the indicated operations. Write the resulting polynomial in standard form.(6x2 + 4x + 7) + (2x2 + 8x + 4) - (5x + 2)
A. 6x2 + 7x + 9
B. 6x2 + 7x + 13
C. 8x2 + 7x + 9
D. 8x2 + 7x + 13
Answer: C
Mathematics
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Use scientific notation to perform the following operations. Leave your answer in scientific notation.(5 × 10-5) ÷ (10 × 10-3)
A. 5.0 × 107 B. 2.0 × 10-2 C. 5.0 × 10-3 D. 2.0 × 108
Mathematics
Write the word phrase in symbols, using x as the variable.15 divided by a number
A. 15x
B. 
C. 15 - x
D. 
Mathematics
Complete the identity.sin (tan-1 v) = ?
A. 
B. 
C. 
D. v
Mathematics
Solve the inequality, giving its solution set in both interval and graph forms.-12 < -2z ? -4
A. (-6, -2]
B. [2, 6)
C. [-6, -2)
D. (2, 6]
Mathematics