Which expression is equivalent to am : an?

am - n

am + n

am ⋅ n

am : n

Suppose you roll two number cubes and find the probability distribution for the sum of the numbers. Which two sums have the same probability distribution and would be represented with equal bars on a bar graph?

The lifetime of a stereo component is exponentially distributed with mean 1,000 days. What is the probability that the lifetime is greater than or equal to 700 days?

There are 28 lions at the zoo. There are 14 fewer lions than tigers at the zoo. Then 22 more tigers come to the zoo. Now how many tigers are at the zoo?

What the equation x/35 what is the value of x

Diego started an exercise program in which each week he works out at the gym between 4.5 and 6 hours and walks between 9 and 12 miles. a. Make a graph to show the number of hours Diego works out at the gym and the number of miles he walks per week.

Fran's store spent 64,000 on expenses last year, Rent for the store was 35% of those expenses. How much did Fran spend on rent?

What is the answer to this (143 (5) + 67) 5=

Least common multiple of 10 and 15

Adam's father spent 1 hour and 50 minutes working on his truck. If it was 7:35 when he stopped working, what time was it when he originally started?

If Sara could type 90 words a minute about how many words could she type in 10 mins