Cierra has 3 more than one half as many purses as aisha. define a variable and write an expression to represent the number of purses in cierra's collection. then find the number of purses in cierra's collection if aisha has 12 purses.

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?

Anew landowner is interested in constructing a fence around the perimeter of her property. her property is 1,080√30 feet wide and 500√20 feet long. what is the perimeter of the property? (recall that the perimeter is the sum of each side of a shape or boundary). a 1,580√40 feet b. 5,320√5 feet c. 3,160√20 feet d. 10,640√5 feet