Evaluate the expression.
A. 0
B. 
C. 
D. 2
Answer: C
Mathematics
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Solve the problem.The cross section of a piece of a roller coaster having a width of 300 feet and a depth of 145 feet is depicted below.
What is the equation of this parabola?
A. y = 
x2
B. y = 
x2
C. y = 
x2
D. Not enough information
Mathematics
Use ZERO (or ROOT) to approximate the positive x-intercepts of the equation. Round to two decimal places.y = x3 + 3x2 - 5x - 7
A. 3.83 B. 1.76 C. 1.91 D. 1.83
Mathematics
Find the LCM.50x5y , 60x4y3 , 30x2y4
A. 150x20y12 B. 60x5y C. 300x5y4 D. 100x5y4
Mathematics
Use the laws of exponents to simplify. Write the answer with positive exponents.(163/5)5/6
A. 4 B. 256 C. 64 D. 16
Mathematics