A fraction that is equivalent to 3/4 is 12/16, since 3/4 times 4/4 is 12/16. This makes it equal, since when you simply 12/16 it will give you 3/4.
B is the correct answer
The exponent means how many times your multiplying the number to the power of set exponent
So 6^3 is 6x6x6
Answer:

Step-by-step explanation:
The logarithm is the exponent (3). The base of the logarithm is the base whose exponent it is (6). The value of the base raised to the exponent is the value whose logarithm it is (216).

X=25 ...... ................
Answer:
Zero-elevation surface is a vertical datum that is used to describe a surface, such as that of a planet. The value of this datum is usually adopted by statute. This elevation is used, for example, to build a texture map from an agreed surface, such as a spheroid with dimensions defined by a mean surface gravity.
Step-by-step explanation: