help asap pls! A square on a coordinate plane has vertices at (4, –5) and (4, 2). What is the perimeter of the square?

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

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.

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)