100g of a radioactive substance disintegrates at a rate of 3% per annum how much of the substance is left after 11 years

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?

Thirteen bowlers were asked what their score was on their last game. the scores are shown below 190,150,154,194,181,190,170,151,170,178,161,180 find the range of the bowlers score a.56 b.44 c.34 d.23