If Sean's dad paid $41.40 on a meal that cost $36, what percent tip did he pay? OA) 12%

OB) 15%

O C) 18%

OD) 20%

In the given triangle, ∠aed ∼ ∠ abc, ad = 6.9, ae = 7.2, de = 5.2, and bc = 10.2. find the measure of bd and ce. round your answer to the nearest tenth.

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?