A bag contains 100 balls numbered 1 to 100. One ball is drawn from the bag. What is the probability that the number on the ball selected will be odd or greater than 80?

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Simplify the expression 10/11(22z) + (a+5) -1

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap