Determine which ratio forms a proportion with 9/5 by finding a common multiplier. A. 54/30
B. 45/50
C. 45/40
D. 90/20
I need an explanation on how to do it pleasw

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).

W-16=-12 solve each one step equation plz

Graph the equationy= x+3[tex]y = x + 3[/tex]