Solve the equation.x4 - 5x2 - 36 = 0
A. {3, -3, 2i, -2i}
B. {3i, -3i, 2i, -2i}
C. {2, -2, 3i, -3i}
D. {3, -3, 2, -2}
Answer: A
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Determine whether the statement is an expression or an equation.5x2 + 9x - 21
A. Expression B. Equation
Find the area of the region bounded by the x-axis and the graph of the function
?
?
A. 
B. 
C. ?
D. ?
Write an algebraic expression for the specified quantity.A manufacturing company produces 38,000 pairs of shoes a day when it operates in two shifts. The first shift produces 
as many lamps as the second shift. Let x = the number of pairs of shoes per day produced by the second shift. Write an algebraic expression in x for the number of pairs of shoes per day produced by the first shift.
A. 20 + 
x = 38; 72
B. 38 + 
x = 20; 72
C. 
+ x = 38; 38
D. 
x - 20 = 38; 232
If 
and 
, find cos ?.
What will be an ideal response?