de \( \frac{2}{3} \cdot\left(6-\frac{1}{4}\right) ? \)

Fill in the missing values to make the equations true. (a) \( \log _{5} 3+\log _{5} 4=\log _{5} \square \) (b) \( \log _{8} 11-\log _{8} \square=\log _{8} \frac{11}{5} \) (c) \( 2 \log _{8} 5=\log _{8} \square \)

Determine whether the following equation defines \( y \) as a function of \( x \). \( x^{2}+y^{2}=16 \) Does the equation \( x^{2}+y^{2}=16 \) define \( y \) as a function of \( x \) ? Nos

Evaluate. \[ \frac{(-4-3)^{2}-10}{3-4^{2}} \]

If \( f(x)=6^{7-x}+1 \), what is the value of \( f(2) \), to the nearest ten-thousandth (if necessary)?

Identify the greatest common factor of \( 45 x y z \) and \( 27 c x y \).