What is the solution of this system of linear equations? 3y =3/2 x + 6 1/2y – 1/4x = 3

Daniel bought a computer game for $25 and later sold it to thomas for a 40% profit. how much did daniel sell the computer game for?

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.

Describe a situation where it would be beneficial to round decimals to the nearest dollar. explain why you would use rounding in that situation.