This can be solved using a ratio. The ratio is: 13/20=x/60 this would then become 20x= 780 divide both sides by 20 and you get x=39. the answer is 39
Answer:
The answer is d
Step-by-step explanation:
simplyfied into the simpiliest form possible
Answer: tHE SECOND ONE
Step-by-step explanation: i had a test on this
The correlation coefficient r of the data set is <em>-0.28</em>