Mrs. Dombrowsky bought 27 books for the class. What was the cost for one book if she
spent a total of $67.50?

$2.50

Step-by-step explanation:

67.50/27 = 2.50

16 is the absolute value

step-by-step explanation:

first, you divide the triangle in two, tô form a retangle triangle. after, using pythagoream theorem:

18^2 = 14^2 + (x/2)^2

(x^2/4) + 196 = 324

x^2/4 = 324 - 196

x^2/4 = 128

x^2 = 512

x = √512

x = √2^9

x = 16√2 cm

i hope i you.