Can some one mei in this 9= blank ÷4

In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

Given: ac and db are diameters. m∠3=