An aquarium is a rectangular prism with an open top. The height and width of the aquarium are both 10 inches, and its length is 20 inches. What is the surface area of the aquarium in square inches? Please help​

1. the wheeling bridge in west virginia is about 307 meters long. if you walk with a stride of about meter, about how many steps would it take you to cross this suspension bridge?

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.

Y=x+2 4x+3y= -36 system of equation