If BD=1,DC=2,AB=2,what must AC equal for the line segment AD to be an angle bisector? (Show the correct, neat and understandable calculation steps to get the answer to this question)

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.