Rewrite the expression with positive exponents and simplify.
?
A. ?
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Find the polar coordinates, 
and 
, of the point given in Cartesian coordinates.
A. 
B. 
C. 
D. 
Mathematics
Fill in the blank with one of the words or phrases listed below. Not all choices will be used and some choices may be used more than once.
In a right triangle, each side adjacent to the right angle is called a 
.
A. leg B. quadratic equation C. hypotenuse D. triangle
Mathematics
Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.
A. 
B. 
C. 
D. 
Mathematics
Find an equation for the hyperbola described. Graph the equation.Center at (0, 0); vertex at (0, 8); focus at (0, 
)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics