Select the values for the domain and range of the functions graphed below. PLZ HELP

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.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

10% of 1,900,000. show me how you got the answer