Doughnut are sold in bag and cartons. a bag holds 4 doughnuts and a carton holds 10 doughnuts. tom buys b bags of doughnuts and c cartons of doughnuts. he buys a total of t doughnuts. write a formula for t in terms of b and 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.

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Find the value of x. give reasons to justify your solutions! l, m ∈ kn