Simplify. Assume that all variables represent positive real numbers.
A. x 
B. 
C. x 
D. 
Answer: B
Mathematics
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Find the number of subsets of the set.{x | x is an even number between 19 and 37}
A. 256 B. 68 C. 8 D. 512
Mathematics
Convert the decimal form numeral to a numeral in the base indicated.68 to base 8
A. 1408 B. 1208 C. 1028 D. 1048
Mathematics
Use a calculator to find the acute angle between the planes to the nearest thousandth of a radian.3x - 10y - 9z = -4 and- 4x + 4y - 10z = -6
A. 0.242 rad B. 1.169 rad C. 1.470 rad D. 1.328 rad
Mathematics
Determine algebraically whether the function is even, odd, or neither.f(x) = -5x4 - x2
A. even B. odd C. neither
Mathematics