Answer:
x=4
Step-by-step explanation:
3x = 12
divide by 3
x =12/3
Answer:
See below
Step-by-step explanation:
B) The correlation coefficient is 
, which can be determined by plugging the data into a TI-84 calculator.
C) A correlation coefficient of indicates that the correlation between the independent and dependent variable (x and y in this case) is moderately strong with a positive correlation. The closer 
is to 1, the stronger the positive correlation. The closer is to -1, the stronger the negative correlation. If is closer to 0, then there's no correlation.
No real solutions, because for all real numbers the square of number is greater or equal 0.
There are 288 ounces in 18 lbs
