An art school charges a materials fee in addition to a fee per class. the equation y=40x+25 the y is the total cost and the x is the number of classes. how many dollars is the fee for one class?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

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?

5. (03.02)if g(x) = x2 + 3, find g(4). (2 points)1619811