Dj mykel is making a playlist for work; he is trying to decide what 12 songs to play and in what order they should be played. if he has his choices narrowed down to 8 pop, 7 blues, 5 country, and 3 jazz songs, and he wants to play no more than 3 country songs, how many different playlists are possible? express your answer in scientific notation rounding to the hundredths place.

Which of the following is a proper fraction? a. 9⁄8 b. 5⁄6 c. 7⁄3 d. 4⁄2

Which shows the pre image of triangle xyz

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?