Tell whether the angle is acute, right, obtuse, or straight.?ADB 
A. Right
B. Obtuse
C. Acute
D. Straight
Answer: B
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Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. 
tan-1(25x) + 
+ C
B. ln 
- 
+ C
C. 
tan-1(5x) - 
- 
+ C
D. 
tan-1(5x) - 
+ C
Answer the question.Find the scale ratio for a map if 4 centimeters on the map represents 10 kilometers on the ground.
A. 1 : 1,000,000 B. 1 : 250,000 C. 1 : 2500 D. 1 : 25,000
Solve.A bridge constructed over a river has a supporting arch in the shape of a parabola. The length of the road over the parabolic arch is 300 feet and the maximum height of the arch is 126 feet. Write the equation of the arch.
A. y = x2 + 126
B. y = 
x2 + 126
C. y = -x2 + 126
D. y = - 
x2 + 126
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. An insurance company is willing to insure the concert for $150,000 against rain for a premium of $30,000. If he buys this policy, what are his expected earnings from the concert?
A. $180,000 B. $300,000 C. $270,000 D. $239,400