Adult tickets for the school musical sold for 3.50 and student tickets sold for 2.50. three hundred twenty one tickets were sold altogether for 937.50. how many of each kind of ticket were sold?

If eh = hg and hg=16, find the diameter of k

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?

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol