The circumference of a circle is equal to pi times the diameter. which direct variation equation represents this situation?
a) d=pic
b) c=pid
c) c=pi/d
d) d=pi/c

Aparking lot is to be 400 feet wide and 370 feet deep. how many standard-sized cars fit in this lot considering a double-loaded (w4) two way traffic set up, an angle of 90° and a sw of 9’ 0’’? (do not consider handicapped parking spaces, and consider 15’ for turning aisles). show your work.

Tan198=asin164=? how to solve this? ?

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?