Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.(-27)4/3
A. -81
B. 81
C. not a real number
D. 729
Answer: B
Mathematics
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Find the length of the curve.y = 
, 3 ? x ? 6
A. 
B. 9
C. 18
D. 27
Mathematics
Simplify and evaluate using a calculator.
A. 
; 0.70710678
B. 
; 1.58113883
C. 
; 0.5
Mathematics
Solve the problem.The sum of the measures of the angles of any triangle is 180°. In triangle ABC, angles A and B have the same measure, while the measure of angle C is 90° larger than each of A and B. What are the measures of the three angles?
A. A and B: 120°; C: 30° B. A and B: 30°; C: 120° C. A and C: 100°; B: 40° D. A and B: 40°; C: 100°
Mathematics
Rationalize the numerator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics