At how many values of alpha(0 degrees < alpha <= 360 degrees) does pentagon A^ prime B^ prime C^ prime D^ prime E^ prime coincide with pentagon ABCDE? What is significant about this number

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

You have just applied, and have been approved for a $58,000 mortgage. the rate quoted to you by the lender is 6.1% for a 30 year fixed mortgage. determine how much of your third month’s payment goes towards the principal. $56.65 $56.93 $57.22 $57.51

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