Simplify.
+ 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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?Which of the following polyhedra is not a regular polyhedron?
A. ?Tetrahedron B. ?Octahedron C. ?Icosahedron D. ?Cube E. ?Diahedron
Mathematics
Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(2) = 7, u '(2) = 4, v(2) = -1, v '(2) = -4.
at x = 2
A. 
B. 24
C. - 24
D. - 32
Mathematics
Sketch an abacus to represent the given number.45,352
A. 
B. 
Mathematics
Find the limit.
A. -1
B. 
C. 1
D. No limit
Mathematics