Simplify the expression.( + 1)( - 1)

A. 7 - 2
B. 9 
C. 7 
D. 7 + 2


Answer: C

Mathematics

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Solve the problem.Find the amount of money in an account after 3 years if $2100 is deposited at 4% annual interest compounded semi-annually.

A. $2362.21 B. $2366.33 C. $2364.94 D. $2367.27

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Find the roots of the equations. -  = - 

A. 8 B. -4 C. -8 D. No solutions

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Find the limit , if it exists. Select the correct answer.

a. 1 b. 3 c. 2 d. Does not exist

Mathematics

For a trapezoid, the lengths of the two bases are a and b. What expression represents the length of the median of the trapezoid?

What will be an ideal response?

Mathematics