Solve.The perimeter of a rectangle is 26 inches. The area of the rectangle is 40 square inches. What are its dimensions?
A. 4 inches by 7 inches
B. 5 inches by 8 inches
C. 4 inches by 9 inches
D. 6 inches by 7 inches
Answer: B
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Write an inequality involving the variable x that describes the set of numbers graphed.
A. x ? 6 B. x ? 6 C. x < 6 D. x > 6
Evaluate the integral by making a substitution (possibly trigonometric) and then applying a reduction formula.
A. 
+ C
B. 
+ C
C. 
+ C
D. 
ln
+ C
Solve. Then graph. Write the solution set using both set-builder notation and interval notation.
< 6 
A. {b
b > -18}, (-18, ?)
B. {b
b ? -18}, [-18, ?)
C. {b
b ? -18}, (-?, -18]
D. {b
b < -18}, (-?, -18)
Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75 B. $2.00 C. -$3.00 D. $3.00