Two people design a coin tossing game. are the outcomes different in each game if you toss three coins three times or one coin three times.

Easy points boii. read it. ya. fresh

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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?