Use ZERO (or ROOT) to approximate the positive x-intercepts of the equation. Round to two decimal places.y = x3 + 3.3x2 - 5.2x - 6.3
A. 1.75
B. 4.18
C. 0.86
D. 1.57
Answer: A
Mathematics
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Remove parentheses and simplify.8x - (8 - 4x)
A. 8x - 12 B. 12x + 8 C. 12x - 8 D. 4x - 8
Mathematics
Use a sum or difference identity to find the exact value.sin 
A. 
B. 
C. 
D. 
Mathematics
Add or subtract as indicated. Express the answer as a single polynomial in standard form.(3x2 + 2) - (-x3 + 7x2 - 5)
A. 4x3 + 9x2 + 5 B. x3 + 10x2 - 3 C. x3 - 4x2 + 7 D. 4x3 + 7x2 + 7
Mathematics
Add.85 + 74 + 27
A. 187 B. 176 C. 186 D. 197
Mathematics