Arectangles width is one fifth it's length and it's perimeter is 168m. find the dimensions of the rectangle

2-digit numbers less than 91 which are 1 less than a multiple of 10

Fine the area of the kite. a. 90 sq. units b. 9 sq. units c. 180 sq. units d. 45 sq. units

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