When the piper increased his volume, the number of rats increased 160 percent. If he ended up with 6578 rats, how many rats did he have before the volume was increased?

99/10 as a mixed fraction

The triangle shown is rotated about line m. A triangle with side lengths of 6 centimeters, 8 centimeters, and 10 centimeters is shown. The triangle is rotated about line m at the side with length 8 centimeters.

Calculate the radius of the circular rug. Use 3.14 for π. area of rug: 153.86 feet

0.81 repeating decimal into a fraction

The selling price of an item is 600$. After 6 months of not selling, it is marked down by 10%. After another 6 months of not selling, it is further marked down by 20%. Find the sale price after both markdowns.

15% of what number is 1?

Does parallel lines meet to form an acute angle?

In a recent year, 31.4% of all registered doctors were female. If there were 55,400 female registered doctors that year, what was the total number of registered doctors?

What is 0.5, 3/16, 0.75, 5,48 in order from least to greatest

What is 3839 divided by 283