How do you subtract fractions when there's a negative

Is the cubic root of 81 rational or irrational?

On the map, the distance between two cities is 7.3 centimeters. The map scale is 1cm:50. What is the actual distance between the two cities?

Tickets for a school event were $2.75 for students and $3.25 for parents. If a total of 67 tickets were sold for $202.25, how many student and parent tickets were sold? There were student tickets sold and parent tickets sold.

Find the solution of - x+5y=-18 5x-9y=10

A product used to have a price of $20.50. Its price was then increased by 2%. Additionally, a 7% tax is added when the product is purchased. What is the total cost, including tax, of purchasing the product?

In laboratorul de informatica se asaza cate 2 copii la un calculator si un copil ramane singur si un calculator daca se asaza cate 3 copii raman 6 calculatoare libere. Cati copii si cate calculatoare sunt

Kelly bought 8 towels and spent $39.60 each towel cost the same amount, create an equation that can be used to determine the price in dollars of one towel.

20 earth pounds on the moon

a woman bought some large frames for $13 each and some small frames for $9 each at a closeout sale if she bought 21 frames for $209 fine how many of each type she bought.

Yesterday, Audrey drank the liquids shown in the table. How many liters of liquids did she drink in all