Provide an appropriate response.Which of the following integrals, if any, calculates the area of the shaded region?
A. 
dx
B. 
dx
C. 
dx
D. 
dx
Answer: A
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Solve the problem. Use 3.14 for ?, if necessary.A circular mural has a radius of 107 meters. Approximate the distance around the mural border.
A. 35,949.86 ft B. 671.96 ft C. 167.99 ft D. 335.98 ft
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 2x 
B. 2 
C. 6 
D. 2 
Solve.According to Ohm's law, the electric current I, in amperes, in a circuit varies directly as the voltage V. When 19 volts are applied, the current is 3 amperes. What is the current when 20 volts are applied?
A. 42 amperes B. 6.33 amperes C. 3.16 amperes D. 126.666667 amperes
Solve.A projectile is thrown upward so that its distance above the ground after t seconds is 
After how many seconds does it reach its maximum height? Round to the nearest second.
A. 18 sec B. 28.5 sec C. 9 sec D. 38 sec