Is - 1/2 rational or irrational

3) How many diagonals can you draw from a single vertex in a 69-sided polygon? Why? How many triangles do they make?

Recursive formula for 25,75,225

Alexia uses 5 cups of water for every 3 cups of rice she cooks. Write the ratio of rice to water in three ways

Unit rate to find unknown value of 40/8=9/0

Todd has already baked 26 pies, and he can bake 2pies with each additional cup of sugar he buys. How many additional cups of sugar does Todd need in order to bake at total of 48pies?

Jeff bought a refrigerator for $1,300 he made a 10% down payment and finance the rest at 6% for one year how much interest did he pay?

If you hike 1/2 mile every 1/5 hour how far do you hike in two hours?

How do i find the value of a parallelogram

After the 30% discount was applied, Patricia paid $45.50 for the ring. What was the original price of the ring

What is the most answered question on this website? Could this question break its record? Final Question ... Will it?