What is the percent of change from 8000 to 80. In the first blank type the correct percent. In the second blank be sure to include if it increases or decreases

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c