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. 3 in. by 4 in.
B. 5 in. by 10 in.
C. 5 in. by 9 in.
D. 4 in. by 9 in.
Answer: C
Mathematics
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Find the volume of the solid generated by revolving the region about the given line.The region in the first quadrant bounded above by the line 3x + y = 6, below by the x-axis, and on the left by the y-axis, about the line x = -2
A. 5? B. 64? C. 32? D. 24?
Mathematics
Solve the inequality.x2 - 7x + 10 ? 0
A. x ? 2 or x ? 5 B. 2 ? x ? 5 C. x ? 5 D. x ? 2
Mathematics
Solve the problem.The number of students infected with the flu on a college campus after t days is modeled by the function 
What was the initial number of infected students?
A. 30 students B. 39 students C. 600 students D. 15 students
Mathematics
Solve.4x3 + x2 - 4x - 1 = 0
A. 1 , 
B. -1 , 4
C. 1 , -1
D. 1 , -1 , - 
Mathematics