Mind helping me out? I'm desperate.

Let the closed interval [a , b] be the domain of function f. the domain of f(x - 3) is given by (a) the open interval (a , b) (b) the closed interval [a , b] (c) the closed interval [a - 3 , b - 3] (d) the closed interval [a + 3 , b + 3]

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities