HELP PLZ! Which fraction is equal to 0.7?

A) 7/99
B.) 7/11
C.) 7/10
D.) 7/9

Which fraction is equal to 0.54?

A.) 27/50
B.) 49/90
C.) 6/11
D.) 5/4

How can the decimal 0.57 be written as a fraction?

A.) 19/33
B.) 57/100
C.) 56/99
D.) 577/999

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?