Dividing Rational Numbers

What is the correct​ quotient?

 $\frac{2}{3}\ \div\ \frac{1}{3}$  

•  $\frac{2}{9}$  

•  $\frac{2}{3}$  

• 2

•  $\frac{1}{3}$  

 $\frac{5}{-\frac{1}{4}}$  

Divide and simplify if possible.

•  $-\frac{5}{4}$  

•  $\frac{5}{4}$  

•  $-20$  

•  $20$  

 $5\frac{1}{3}\div\left(-1\frac{1}{2}\right)$  

Divide and simplify if possible.

•  $-8$  

•  $-3\frac{5}{9}$  

•  $-5\frac{1}{6}$  

•  $-\frac{21}{9}$  

 $-12\ \div\left(-0.03\right)$  

Divide and simplify if possible.

•  $400$  

•  $4$  

•  $40$  

•  $-4$  

 $\frac{-0.4}{80}$  

Divide and simplify if possible.

•  $-20$  

•  $0.05$  

•  $-2000$  

•  $-0.005$  

 $\frac{-120}{-6}$  

Divide and simplify if possible.

•  $2$  

•  $-2$  

•  $20$  

•  $-20$  

 $-\frac{1}{4}\div\frac{23}{24}$  

Divide and simplify if possible.

•  $\frac{6}{23}$  

•  $-\frac{6}{23}$  

•  $-\frac{23}{96}$  

•  $\frac{23}{96}$  

 $2\ \div\frac{9}{5}$  

Divide and simplify if possible.

•  $\frac{5}{18}$  

•  $\frac{18}{5}$  

•  $\frac{10}{9}$  

•  $\frac{9}{10}$  

A hot air balloon descended 99.6 meters in 12 seconds. What was the balloon's average rate of descent in meters per second?

Working together, 6 friends pick $14\frac{2}{5}$ pounds of pecans at a pecan farm.  They divide the pecans among themselves.  How many pounds does each friend get?