Multiply and simplify.
? 
A. 1
B. 
C. -1
D. 0
Answer: A
Mathematics
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Provide an appropriate response.Perform the multiplication and express in scientific notation: (8.5 × 107)(4 × 10-3)
A. 3.4 × 10-10 B. 34 × 104 C. 3.4 × 105 D. 340,000
Mathematics
At the given point, find the slope of the curve, the line that is tangent to the curve, or the line that is normal to the curve, as requested.y5 + x3 = y2 + 10x, slope at (0, 1)
A. - 
B. 2
C. 
D. 
Mathematics
Solve the system of equations by the substitution method.
A. (8, 24) B. (24, 8) C. infinite number of solutions D. no solution
Mathematics
Write the complex number in trigonometric form r(cos ? + i sin ?), with ? in the interval [0°, 360°).-2
A. 2(cos 90° + i sin 90°) B. 2(cos 0° + i sin 0°) C. 2(cos 270° + i sin 270°) D. 2(cos 180° + i sin 180°)
Mathematics