Only boxes less than 3 1/2 feet wide will fit through a doorway. which measurements show the widths of three boxes that will fit through a doorway?choices: a. 36 in., 42 in., 40 in. b. 42 in., 43 in., 38 in. c. 40 in., 37 in., 41 in. d. 38 in., 40in., 42 in.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

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.

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.