What is 1+1+1+1+1+1 AND THE answer times 40???

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

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10

Cal's go cart has a gas tank with the dimensions shown below. he uses a gas can that holds 11 gallon of gas, to fill the go cart tank. 11 gallon = 231 inches^3 how many full gas cans will it take to fill the go cart's gas tank?