Two sporting goods stores are having discount sales on basketballs. • at one store, a basketball is on sale for 20% off the regular price of $24.95. • at the other store, the same kind of basketball is on sale for 25% off the regular price of $25.80. what is the difference between the sale prices of the two stores? show how u got the answer plz

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?