A set contains the numbers 0, 6, 12, and 15. Two different numbers are selected randomly from this set. What is the probability that each event below will occur. The probability that the sum is greater than 12 is how much.
The probability that the product is 72 is how much.

The scale for a map is 20 miles = 1/2 inch. the distance between two towns on the map is 3 3/4 inches. what is the actual distance between these towns? 150 miles 38 miles 75 miles 135 miles

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.