The swinging ship can load more passengers then the roller coasters in the same amount of time is the loading rate for the swinging ship faster or slower than the rate for the roller coaster

In the diagram below what is the approximate length of the minor arc ab

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

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]