St Louis stock car races attendance time trials first-round 12645 second-round 16234 third-round 18817 first-round 17352 2nd round 20 1896 3rd round 23773 to the nearest thousand about how many more fans attended a third-round finals than the third round time trials

Find the greatest common factor of the polynomial: 10x^5+15x^4-25x^3 10x^5 x^3 5x^3 5

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

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?