Brian uses an angle-measuring device on a 3-foot tripod to find the height, h, of a weather balloon above ground level, as show in the diagram. The balloon is at a angle of elevation. A radio signal from the balloon tells Brian that the distance between the tripod and the balloon is 25,000 feet. Determine the total height of the balloon.

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

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?