MULTIPLE CHOICE Suppose Jamie wants to estimate the mean word length in her science textbook. She does not have time to count every word and compute an average, so she takes a random sample of 50 of the words. Which is the best thing to do to estimate the mean word length in the book?​

What is the value of x? enter your answer in the box. photo attached.

Use the distributive law to multiply. 3(4x + 5y + 6)

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.