Rewrite as an expression using only positive exponents.
A. t-10
B. t-2
C. t2
D. t10
Answer: C
Mathematics
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Sketch D and g(D) from the description of D and change of variables 
u = xy, v = 
where D is the rectangle 1 ? x ? 4, 
? y ? 2
?
A.
 ? |  |
B.
 ? |  |
C. None of these.
D.
 ? |  |
Mathematics
Solve the problem.How many cuts are needed to divide a pole 16 feet into 2-foot sections?
A. 3 B. 7 C. 8 D. 2
Mathematics
Graph the parabola and label the vertex. Find the x-intercept.x = 
y2
A. vertex (0, 0), x-intercept (0, 0)
B. vertex (0, 0), x-intercept (0, 0)
C. vertex (0, 0), x-intercept (0, 0)
D. vertex (0, 0), x-intercept (0, 0)
Mathematics
Convert the units using unit fractions.480 sec = 
min
A. 8 B. 20 C. 15 D. 4
Mathematics