Three of the 20 coins in Mischa’s piggy bank are pennies. Mischa shakes a coin out of her piggy bank. Which word BEST describes the likelihood of Mischa shaking out a penny?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.

What is the simplified form of square root of 400 to the 100th power ?