Aspherical balloon is partially blown up and its surface area is measured. more air is then added, increasing the volume of the balloon. if the surface area of the balloon expands by a factor of 4.0 during this procedure, by what factor does the radius of the balloon change?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

Find the axis of symmerty for x y=x squared -4x-8

Pleasseee important quick note: enter your answer and show all the steps that you use to solve this problem in the space provided. use the circle graph shown below to answer the question. a pie chart labeled favorite sports to watch is divided into three portions. football represents 42 percent, baseball represents 33 percent, and soccer represents 25 percent. if 210 people said football was their favorite sport to watch, how many people were surveyed?