Solve the problem.Write using the radical sign (
). Assume all variables are non negative.n2 = 16
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the intervals on which the function is continuous.y = 
A. (-?, -5), (-5, 5), (5, ?) B. (-?, -5), (-5, ?) C. (-?, -25), (-25, 25), (25, ?) D. (-?, 25), (25, ?)
Mathematics
Find the angle between the given vectors. Round to the nearest tenth of a degree.u = 2j, v = 8i - 3j
A. -20.6° B. 76.5° C. 134.6° D. 110.6°
Mathematics
Use a graphing calculator to estimate the solution set of the equation. Round to the nearest hundredth.52x = 2x + 1
A. {0.27} B. {0.43} C. {1.43} D. {0.76}
Mathematics
Write the number in standard notation.The world-wide production of cereal grains has reached about one billion, seven hundred 
million, four hundred three thousand, four hundred tons.
A. 1,764,403,400 B. 1,764,430,400 C. 1,764,403,040 D. 1,764,3043,400
Mathematics