Starting at elevation zero, zen climbs to an elevation of 4,646.4 feet to reach the cragway trail. from there, he hikes up another 1,817.6 feet to the calloway peak summit, the highest point on grandfather mountain. based on these numbers, the calloway peak summit is at a height of feet. on his return trip, zen descends from the calloway peak summit to an elevation of 2,402.5 feet, arriving at the flat rock junction. so, the elevation at flat rock is feet.

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

You spin the spinner shown below once. each sector shown has an equal area. what is p(beaver ) p(beaver)? if necessary, round your answer to 2 2 decimal places.

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?