What's the answer to 4.5 divided by 1.8

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

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

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.