Which algebraic expression represents 15 less than the product of 7 and a number A. 15 - 7n

B. 7n - 15

C. 15(7n)

D. 7(n - 15)

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

If the line in the graph is shifted up two units which is the equation of the new line