Simplify by writing the expression with positive exponents. Assume that all variables represent nonzero real numbers.
A. 
B. t8
C. t
D. t7
Answer: D
Mathematics
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Give an appropriate answer to the question.Decide if the following statement is true or false (if false, give an example to show that it is false): If the number of edges in a graph is 1 less than the number of vertices, then the graph is a tree.
What will be an ideal response?
Mathematics
Perform the operations.14 ? 11 + 10 ? 9
A. 244 B. 1476 C. 1414 D. 2646
Mathematics
Add or subtract as indicated.
+ 
A. 
B. 
C. 
D. 
Mathematics
Do the following: (i) Write a formula for the function described. (ii) Evaluate the function for input 10.Function J computes the number of inches in x feet.
A. (i) J(x) = 6x (ii) J(10) = 60 B. (i) J(x) = 24x (ii) J(10) = 240 C. (i) J(x) = 4x (ii) J(10) = 40 D. (i) J(x) = 12x (ii) J(10) = 120
Mathematics