The sum of two numbers is 49 the smaller number is 21 less than the larger number what are the numbers

1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.