For the following problems, the terminal side of an angle in standard position with measure θ contains the given point. In each case, draw the angle in standard position on a coordinate grid. Then find the cos θ, sin θ, and tan θ.
P(-8,15)
P(5,7)

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Suppose the first five terms of a sequence are 4, 5, 9, 27, 123. how could the next term in the sequence be generated?

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?

Math question.. plz me .. best answer all