In a national park the distance between the base of two cliffs is 312 feet . The angle of elevation from the base of the shorter cliff to the top of the taller cliff is 35 degrees the angle of the elevation from the base of the taller cliff to the top of the shorter cliff is 27 degrees the tops of the two cliff are joined by a bridge of length x as modeled below

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?

Jane has 5 nickels.john has 3 dimes.jane says she has a greater amount of money.with the information given,is she correct?

Marco states that 7.696696669…… is a rational number because it is a repeating decimal. is he correct? justify your answer.