Which fractional part of the rock will remain at noon on day seven?

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.

Solve the system of equations. 2x-2y=-4 and x+y=8. show work