In another survey, jane found that 25% of the total number of teenagers surveyed like sandwiches. if 50 teenagers like sandwiches, what is the total number of teenagers that jane surveyed? show your work.

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

Sunday: 1 1 2 monday: 1 tuesday: 2 1 2 wednesday: 1 3 4 thursday: 2 friday: 1 1 2 saturday: 2 jenna is a swimmer and trains every day. the schedule shown outlines the number of hours she trains each day. what is the total number of hours that jenna trains during the week?

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?