What is the diameter of X?

12 cm
4 cm
8 cm
2 cm

Maria walks a round trip of 0.75 mile to school every day. how many miles will she walk in 4.5 days

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab