PLEASE ANSWER I PROMISE I WILL GIVE BRAINLIEST Evaluate the function at the given values of the variable.
f(x) = x^2 + 6
a. f(6) b. f(-5)

a. 72, -60
b. 42, 31
c. 18, -4
d. 216, 150

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.

Me find the value of x each figure.

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?