Which of the following is closest to 27.8×9.6?
a 280
b 300
c 2,800
d 3,000

Abcd ≅ klmn ≅ pqrs ≅ wxyz given that information, which figures are reflections of abcd?

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).