For all real numbers a, b, and c, which of the following expressions is equal to

Which of the following expressions is equivalent to the given expression?

If a, b, c are real numbers and ab = 3, bc = 4, and ac = 6, what is 2a2 + 3b2 + c2?

According to a certain code, '=' means '>', '–' means '+', '+' means '–'. If a, b and c are positive integers and a = b = c, then which of the following are true?

If a=b and a=c then b= c,  is an example of which property?

Which expression is equivalent to (15a0b2c34)(3a16b−29c0)(15⁢𝑎0⁢𝑏2⁢𝑐34)⁢(3⁢𝑎16⁢𝑏-29⁢𝑐0) for all values of a, b, and c where the expression is defined? A. 18b5818𝑏58 B. 45b5845𝑏58 C. 18a16c34b2718⁢𝑎16⁢𝑐34𝑏27 D. 45a16c34b27