In the jazz band, 8 out of 24 students are in eighth grade. what percent of the students are not in eighth grade?

#12 find the value of x. #13 find the value of the variable.

G(x) = 2 sin(2x - π) + 4. using complete sentences, explain how to find the minimum value for the function.

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?