$\mathrm{}1.$ A man digs $3$ cubic feet per minute. Express the digging rate in cubic meters per hour. $=(0\mathrm{.}305ft$  

 A$)0\mathrm{.}34$ 

 B$)2\mathrm{.}34$ 

 C$)36\mathrm{.}2$ 

 D$)167\mathrm{.}4$ 

 E$)6400$ 

  

 $\mathrm{}2.$ The $x-$component of vector vec$(A)$ is $5\mathrm{.}3,$ and its $y-$component is $-2\mathrm{.}3.$ The angle that vector vec$(A)$ makes with the $+x-$axis is closest to 

 A$)340$ 

 B$)160$ 

 C$)250$  

 D$)110$ 

E$)23$