Help pweeze and I will give brainliest

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]

Find the arc length of the semicircle. 7the grade

Lana's family entered a 5-kilometer race lana's average step length is about 0.5 meter how many steps will she need to take the finish