John cut a 4 ft long piece of lumber into shorter
pieces to repair his deck. He cut three pieces each 3/4
ft long and two pieces each 1/2 ft long. How much
wood did he have left?

answer:

idk

step-by-step explanation:

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a

answer: 5/2     2 1/2

step-by-step explanation:

5/2              

5 goes into 2 two times so its 2 and 1/2