5. A bookseller marks his books 40% above the cost price and allows a discount of 25%. Find his gain or loss per cent.​

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300