Solve the problem.A square has an area of 49 square inches. If the same amount is added to the length and removed from the width, the resulting rectangle has an area of 45 square inches. Find the dimensions of the rectangle.
A. 5 in. by 9 in.
B. 3 in. by 4 in.
C. 4 in. by 9 in.
D. 5 in. by 10 in.
Answer: A
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Use a calculator to approximate the circular function value (rounded as indicated).cos 0.2959
(Round to four decimal places.)
A. 1.045 B. 0.3048 C. 0.2916 D. 0.9565
Solve the problem.The total sales in dollars of some small businesses fluctuates according to the equation 
where x is the time in months, with 
corresponding to January, 
and 
Determine the month with the greatest total sales and give the sales in that month.
A. December; $10,100 B. March; $10,100 C. June; $7100 D. September; $4100
Decide whether or not the events are commutative.Setting the table and eating dinner.
A. No B. Yes
Identify the equation as either linear or nonlinear by trying to write it in the form 
x3- 4x = -4x2- 8
- 10
A. Linear B. Nonlinear