element x decays radioactively with a half life of 13 minutes. if there are 970 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay 98 to grams?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.

What is the measure of one interior angle of a pentagon