Luis left a 15% tip on a $30.00 food bill. how much did he leave for the tip?

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?