Which expression is correctly simplified using the laws of exponents?

If a person is randomly selected, what is the probability that his/her birthday is march 20? ignore leap years.

What is the ratio of the two values and what new value do they produce? 4m in 2 min

What are the steps to get 1/7

Martina feeds her dog 2/3 pounds of dog food for each meal. Martina has just bought 18 pounds of dog food. For how many meals will the food last

Jodie ran a mile in 8 minutes, what was her speed?

What is the slope and y intercept of 4x-5y=40

Brianne is three times as old as Camila. Four years from now she will be two-times as old as Camila. How old are Brianne and Camila now?

6/24 divided by 2/8?

Which one of the following decimals in the largest? A:.345 B:.35 C:.33 D:.332

Alex stocks up for winter. He buys 32 cans of vegetables. He pays 80 cents per can for tomatoes and 40 cents per can for corn, for a total cost of $18.00. How many cans of corn does he buy?