7) a 3-gram gold ring occupies a volume of 0.341 cubic centimetres (cc). find the mass density of gold, expressed as the unit rate of mass, in grams, to volume, in cc. round the answer to the nearest tenth. 3 marks

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52

The letters g e o r g i a are placed in a bag . if you picked a card and knew it was a vowel , what is the probability that it is an a ?

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?