Find the unit rate for the given rate. Round to the nearest hundredth if necessary. A) 30 cards for $5.20
B) 192 miles on 6 gallons on gasoline

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

What is the slope of the line shown below?

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet