Solve the inequality. Express your answer using interval notation. ? 7

A.  ? 
B.
C.
D.


Answer: D

Mathematics

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Use the square root property to solve the equation.3x2 = 21

A. 8
B. ±7
C. ±
D. 10.5

Mathematics

Simplify the expression. Assume that all variables are positive when they appear.

A. 4 - 6
B. 5 + 6
C. 3 - 2
D. 4 - 2

Mathematics

Provide an appropriate response.Give the definition or an example of the phrase: Rationalizing the denominator.

What will be an ideal response?

Mathematics

Find the indicated term.The fifth term of the expansion of (5x + 4)5 

A. 1600x  B. 5120  C. 6400x  D. 8000x2

Mathematics