The rectangular floor of a classroom is 20 feet in length and 30 feet in width. A scale drawing of the floor has a length of 4 inches. What is the perimeter, in inches, of the floor in the scale drawing? in.​

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

Idon't want to fail summer school. the probabilities of contamination in medicine capsules due to the presence of heavy metals and different types of microbes are given in the table. the probability of capsule b having microbial contamination is (the same as, greater than, less than) the probability of capsule d having it.

The product of (7x-2) and (20-3x)/4. when x=4