What’s the value of a?

Astore manager records the total visitors and sales, in dollars, for 10 days. the data is shown in the scatter plot. what conclusion can the store manager draw based on the data? question 3 options: an increase in sales causes a decrease in visitors. an increase in sales is correlated with a decrease in visitors. an increase in visitors is correlated with an increase in sales.

Bring the fraction a/a-4 to a denominator of 16-a^2

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom