Simplify the radical. Assume that all variables represent positive numbers.
A. 4xy
B. 4xy2
C. 4x2
D. 4x
Answer: D
Mathematics
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Determine the principal value without using a calculator.(
)5
A. 44 B. 44 or -44 C. Not real number D. -44
Mathematics
Divide in the indicated base.3217 ÷ 67
A. 407 B. 357 C. 367 D. 257
Mathematics
Provide an appropriate response.A normal distribution has mean 200 and standard deviation 50. Find the area under the normal curve from the mean to 224.
A. 0.1844 B. 0.6844 C. 0.6808 D. 0.5000
Mathematics
Solve the problem.The table below gives the sales tax rate as a percent in a certain city between 2007 and 2012:
Write a symbolic representation for a function f that models this data.
A. f(x) = 4
B. f(x) = 
C. f(x) = 
x
D. f(x) = 4x
Mathematics