Several items were collected for a food drive. 42 of the items collected were jars of peanut butter. This was 35% of the total number of food items collected. What was the total number of food items collected?

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.)

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

Which of the following describes the symmetry of the graph of y = x3?