Do a two column proof!
Given: AB = DC
Prove: AC = DB
please help

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.

Which function has the domain x> -11

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.