Simplify.
A. 
B. 
C. 
D. none of these
Answer: B
Mathematics
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Solve and graph the solutions.
< 7
A. 
B. 
C. 
D. 
Mathematics
Find the midpoint of the segment with the given endpoints.
and 
A. (36, 100)
B. (144, 16)
C. 
D. 
Mathematics
Solve the inequality and write the solution set using interval notation; then graph the solution set on a number line. x2 + 5x ? -6
A. [2, 3]
B. (-?, 2] ? [3, ?)
C. (2, 3)
D. [-3, -2]
Mathematics
Solve.The number of acres in a landfill is given by the function 
where t is measured in years. How many acres will the landfill have after 7 years? (Round to the nearest acre.)
A. 3593 acres B. 4913 acres C. 3411 acres D. 8274 acres
Mathematics