Completely factor the polynomial.x2 - 3x - 88
A. (x + 8)(x - 11)
B. (x - 88)(x + 1)
C. cannot be factored
D. (x - 8)(x + 11)
Answer: A
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Solve.A railroad tunnel is shaped like a semi-ellipse. The height of the tunnel at the center is 26 ft and the vertical clearance must be 13 ft at a point 21 ft from the center. Find an equation for the ellipse.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Solve the problem.Find the area of the Bermuda Triangle if the sides of the triangle have the approximate lengths 846 miles, 926 miles, and 1315 miles.
A. 493,993 square miles B. 389,751 square miles C. 515,562 square miles D. 1,559,003 square miles
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sec ? = 4, 0 < ? < 
Find cos 
.
A. 
B. 
C. 
D. 
Convert to rational exponents: 
What will be an ideal response?