Solve the problem.A restaurant offers a choice of 5 salads, 9 main courses, and 4 desserts. How many possible 
meals are there?
A. 18 possible meals
B. 180 possible meals
C. 360 possible meals
D. 45 possible meals
Answer: B
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Find the moment or center of mass of the wire, as indicated.Find the moment about the x-axis of a wire of constant density that lies along the curve y = 
from 
to 
A. 
B. 
C. 
D. 
Solve the problem. Assume the x-axis is horizontal, the positive y-axis is vertical (opposite g), the ground is horizontal, and only the gravitational force acts on the objects. A projectile is fired with an initial speed of 569 m/sec at an angle of 45°. What is the greatest height reached by the projectile? Round your answer to the nearest tenth.
A. 8,259.2 m B. 82.1 m C. 33,036.8 m D. 80,940.3 m
Solve the equation.
= 1 + 
A. -12 B. -2, 4 C. 6, 10 D. ?
Find the sum or difference. Write the answer in standard form.7
- (5
+ i) + 3i - (-6
+ 3i)
A. 8
+ i
B. 8
- i
C. 8 - 5i
D. -8 - 5i