Quadrilateral ABCD has coordinates A (−3, 1), B (1, 1), C (1,−4 ), and D (−3,−4). What is the length of side AD¯¯¯¯¯?

A. 2 units

B. 3 units

C. 4 units

D. 5 units
No brainliest if you put out a link. I want a full answer.

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

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.