A rectangular prism has a length of 11 millimeters and a width of 5 millimeters. Its height is double its width. What is the surface are of the prism? A 190
B 320
C 430
D 550

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2