Determine whether the given set is empty.{?}
A. Not empty
B. Empty
Answer: A
Mathematics
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Find the component form of the specified vector.Let u = 
, v = 
. Find u + v.
A. 
B. 
C. 
D. 
Mathematics
Solve.I am thinking of a whole number. My number, rounded to the nearest hundred, is 800. When the number is rounded to the nearest ten, it is 840. What numbers am I thinking of?
A. 850, 851, 852, 853, 854 B. 835, 836, 837, 838, 839 C. 840, 841, 842, 843, 844 D. 845, 846, 847, 848, 849
Mathematics
Multiply and simplify.
? 3b
A. 
b
B. 
C. 
D. 11b
Mathematics
Identify the numerator and the denominator of the fraction.
A. numerator: 37; denominator: 1
B. numerator: 12; denominator: 25
C. numerator: 25; denominator: 12
D. numerator: 
; denominator: 1
Mathematics