A pumpkin was launched from a catapult on top of a 30-foot platform. The graph shows the height in feet of the pumpkin above the ground as a quadratic function of x, the horizontal distance in feet of the pumpkin from the platform.

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

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?

Solve the formula ax+ by = c for x.