Write the expression as a logarithm of a single expression. \[ \log 7+\log 16-\log 8 \] \( \log 7+\log 16-\log 8=\log \square \) (Simplify your answer.)

Which is equal to \( \frac{10}{2+i} ? \) A. \( 5-10 i \) B. \( 4-2 i \) C. \( 5+\frac{10}{i} \) D. \( 4+2 i \) E. \( 5+10 i \)

Which is equivalent to \( \frac{x^{3}}{\sqrt{x}} \) ? A. \( x^{3 / 2} \) B. \( x^{2} \) C. \( x^{5 / 2} \) D. \( x^{7 / 2} \) E. \( x^{6} \)

3. Uis tiene el triple de dinero de maria menos \( \$ 1,0000 \) si entre ambos tienen \( \$ 110,000 \) ¿Cuanto dinero tiene en tatal maria?

\( 4 x^{2}+k x+5=0 \) has roots whose difference is \( \frac{1}{4} \)

sum of partial fractions. c. \( \frac{x^{2}-3}{x^{3}+x^{2}+x+1} \)