The surface area of an open-top box with length l, width w, and height h can be found using the formula: a= 2lh + 2wh + lw find the surface area of an open-top box with length of 7 cm, width 6 cm, and height 3 cm.

Can someone show me the steps to solve the problem?

Which statement is true 1.the pythagorean theorem can be used to find the missing side of any triangle 2.the pythagorean theorem can be used to find the missing side of any polygon 3. the pythagorean theorem can be used to find the missing side of any right triangle 4.the pythagorean theorem can be used to find the missing side of any isosceles triangle

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample