The geometric mean of 4 and 9 is a.) 36 b.) 6 c.) 18 d.) 6.5

The correct option is:  B) 6

Step-by-step explanation:

The geometric mean of two numbers and is:  

So, the geometric mean of 4 and 9 is:  

correct answer is infinitely many solutions

step-by-step explanation:

2(2x + 3) = -4 + 2(2x + 5)

solving the above equation:

4x + 6 = -4 +4x +10

combining like terms

4x -4x = -4+10-6

0=0

since both sides are 0=0, we end up into true statement it means it has infinite many solutions.

so correct answer is infinitely many solutions

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step-by-step explanation: