State whether the given expression is one or more or none of the following: a real number, a rational number, or an irrational number.- 
A. Real, irrational
B. None
C. Real, rational
Answer: A
Mathematics
You might also like to view...
Choose the best estimate from the list.- 
is approximately -3, -2, -1, - 
.
A. -3
B. - 
C. -1
D. -2
Mathematics
Use the accompanying table to find the solutions to the given equation on 
tan ? - cot ? = 0
Y1 = tan(X) - 1/tan(X)
A. 45°, 135°, 225°, 315° B. 0°, 90°, 180°, 270° C. 0° D. None
Mathematics
The mean height of kindergartners at an elementary school is 44 inches with a standard deviation of 2 inches. If the heights are normally distributed, use this data to solve the problem. 
What percent of the kindergartners have a height between 40 and 48 inches?
A. 95% B. 47.5% C. 99.7% D. 68%
Mathematics
Simplify.
A. 256a
B. 4a
C. 4
D. 4a2
Mathematics