17. \( 7=5 y-13-y \)

Write the expression as a single logarithm. \[ 2 \log _{a}\left(6 x^{3}\right)-\frac{1}{3} \log _{a}(2 x+13) \] \( 2 \log _{a}\left(6 x^{3}\right)-\frac{1}{3} \log _{a}(2 x+13)=\square \) (Simplify your answer.)

Simplifica la siguiente expresión racional y exprésala en forma desarrollada. \( \frac{81 y^{2}-169}{9 y^{2}-22 y+13}= \) Cuáles valores reales de \( y \) hacen que la expresión to esté definida? A todas las respuestas adecuadas: \( y=2 \) B \( y=1 \) C \( y=\frac{13}{9} \) D \( y=-\frac{9}{13} \) D

\( 15 \% \) de \( 160= \)

Given that the errors in the measurements are as follows: Length of bar magnet \( =0.1 \mathrm{~cm} \) Breath of bar magnet \( =0.1 \mathrm{~cm} \) Mass of bar magnet \( =0.1 \mathrm{~g} \) Time \( =0.01 \) seconds Calculate the errors in \( M \) and Bo Mass of bar magnet \( =78.7 \mathrm{~g} \) Breath of bar magnet \( =1.5 \mathrm{~cm} \) Time \( =5.062 \) seconds Length of bar magnet \( =7.5 \mathrm{~cm} \) Mes

Find the quotient using long division. \[ \frac{10 x^{2}+23 x+9}{5 x+4} \]