Use the substitution formula to evaluate the integral.
A. -ln 2
B. -ln 3
C. 0
D. ln 3
Answer: A
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Solve the problem.The perimeter of a rectangle is 
If the width were doubled and the length were increased by 
, the perimeter would be 
What are the length and width of the rectangle?
A. width 12 m, length 17 m B. width 17 m, length 17 m C. width 9 m, length 25 m D. width 25 m, length 9 m
A regular octagon has a side of 12 cm and the perpendicular distance from the center to one of the sides is 14.5 cm. The area of the octagon is
(a) 522 sq. cm (b) 696 sq. cm (c) 1044 sq. cm (d) 1392 sq. cm (e) 87 sq. cm
In the problem, t is a real number and P = (x, y) is the point on the unit circle that corresponds to t. Find the exact value of the indicated trigonometric function of t.(- 
, 
)Find cos t.
A. - 
B. - 
C. 
D. - 
State the name of the property illustrated.5 ? (6 ? 17) = 5 ? (17 ? 6)
A. Identity property of multiplication B. Commutative property of multiplication C. Distributive property of multiplication over addition D. Associative property of multiplication