the length of a room is 2 times its breadth and 5 times its height .if the volume of the room is 800meter cube ,find the cost of plastering its wall at rs 6 per meter square

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

2/3(-6y+9x) expand each expression using the distributive property

Which of the following shows the length of the third side, in inches, of the triangle below