The price to buy a t-shirt was $10 dollars and now the price for the t-shirt is $8.50. What is the price decrease?

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?