Manuel works in a music store and earns 7.2% commission on each sale. if manuel sells a piano and earns $130.50, what is the price of the piano? round your answer to the nearest cent

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+5

Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. the design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 99% confidence interval estimate of μ, the mean duration of game play. 4028 4316 4816 4650 4036 5010 4833 4331 4307