Solve.There are 40 students in Jose's class. 
of the students are science majors. How many students are science majors?
A. 30 students
B. 10 students
C. 8 students
D. 40 students
Answer: B
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Decide whether the argument is an example of inductive or deductive reasoning.All U.S. Presidents have come from the original 48 states. Therefore, no U.S. President can be from Alaska.
A. Deductive B. Inductive
Write an equation to describe the variation. Use k for the constant of proportionality.p varies directly as the square of q and inversely as the cube of r.
A. p + q2 - r3 = k
B. p = 
C. pq2r3 = k
D. p = 
Use a table of values to graph the plane curve defined by the following parametric equations. Find a rectangular equation for the curve.x = 5 tan t, y = 2 sec t, for t in [0, 2?] 
A. 
- 
= 1, for x in (-?, ?)
B. 
+ 
= 1, for x in (-?, ?)
C. 
y = x2 - 9, for x in [-3, 3]
D. 
y = 2
, for x in (-?, ?)
Simplify the complex fraction.
A. 
B. - 
C. 
D. -1