State the real number that corresponds to the situation.During one year, 21 employees started work at Newline Manufacturing Company.
A. 21
B. -21
Answer: A
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Solve the initial value problem.Differential Equation: 
= (2 sec 2t tan 2t) i + 
j + t2kInitial Condition: r(0) = 7i + 
j - 5k
A. r(t) = (csc 2t + 6)i + 
j + 
k
B. r(t) = (sec 2t + 6)i - 
j + 
k
C. r(t) = (csc 2t + 6)i + 
j + (t3 - 5)k
D. r(t) = (sec 2t + 6)i + 
j + 
k
Solve the problem. Round to the nearest cent or tenth of a percent.What-A-Pane Inc. sells windows for $146.25 each after a markup of $57.51. Find the cost of a window and the markup as a percent of selling price.
A. Cost = $88.74 Rate of markup based on selling price = 64.8% B. Cost = $203.76 Rate of markup based on selling price = 64.8% C. Cost = $88.74 Rate of markup based on selling price = 39.3% D. Cost = $203.76 Rate of markup based on selling price = 71.8%
Write the given terms as like radicals, if possible. If any variables exist, assume that they are positive.
, 
A. 25
, xy
B. 25
, xy
C. 5
, xy
D. Not possible
Solve the equation.e5x = 8
A. 
B. 
C. {5 ln 8}
D. 