Evaluate the expression.71
A. 7
B. 1
C. -7
D. 
Answer: A
Mathematics
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Factor and, if possible, simplify the expression.1 - 2 sin2x + sin4x
A. (1 - sin2x) B. sin2x C. (1 + tan2x) D. cos4x
Mathematics
Use a table of square roots or a calculator to approximate to the nearest thousandth.
A. 8.607 B. 8.602 C. 8.599 D. 74.000
Mathematics
Provide an appropriate response.Solve the following quadratic equation: x2 - 6 = 19
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the problem.The motion of a spring-mass system is described by the equation 
where y is the distance in feet from the equilibrium position and t is time in seconds. If the weight is 18 feet from the ceiling in a state of equilibrium, find the closest the weight will ever be to the ceiling.
A. 13 ft B. 18 ft C. 5 ft D. 23 ft
Mathematics