6. The breadth of a room 4rn high is one third of its length. If the cost of painting its walls at the rate of Rs. 5 per m' is Rs. 640. The
cost of carpeting its floor at the rate of Rs.
250 per m
(a) 13000
(c) 14000
(d) 15000​

What is the difference between regular convex and concave polygons

Which expression shows the sum of the polynomials with like terms grouped together

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36