Now Cathy is three times as old as Katie. In six years Cathy will be only twice as old as Katie. How old is each girl now?

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1