Evaluate the determinant.
A. -80
B. -110
C. 80
D. 50
Answer: A
Mathematics
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Solve the problem.A child on a swing initially swings through an arc length of 12 meters. The child stops pushing and sits patiently waiting for the swing to stop moving. If friction slows the swing so the length of each arc is 80% of the length of the previous arc, how far will the child have traveled before the swing stops?
A. The child will travel an infinite distance. B. 25 m C. 60 m D. 24 m
Mathematics
Insert ? or ? in the blank to make the statement true.? 
?
A. ? B. ?
Mathematics
Determine whether the equation in one variable is linear.
= 7
A. linear B. not linear
Mathematics
Solve.How long will it take for prices in the economy to double at a 9% annual inflation rate? (Round to the nearest year.)
A. 7 yr B. 8 yr C. 23 yr D. 13 yr
Mathematics