There are twelve people have lunch. each person wants 1/3 of a sub sandwich. how many whole sub sandwiches are needed? use the models to show your answer.

What are the vertical asymptotes of the function f(x) =5x+5/x2 + x-2

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.