The correlation coefficient, r, between two variables is equal to -0.87. What can you say about the relationship between these two variables? Select one: a. There is a strong negative correlation between these variables. b. There is a weak correlation between these variables. c. One of the variables influences the other one quite strongly. d. There is a non-linear relationship between these variables.

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d

answer: you need the equation in the question so i can answer it

step-by-step explanation:

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.