The ratio of each vertex coordinate on ΔA'B'C to the corresponding vertex coordinate on ΔABC is equal to 2. For example, A(1, 1) → A′(2, 2). This ratio is equal to the scale factor, n.
Please excuse my dear aunt sally ( parentheses, exponents, multiplication, division, addition, and subtraction )
Answer:
aaaaaaaaaaaaaaaaaaaaaqqqqqqqqqqaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
X + 25 - 10. 25-10 is 15 so you had 15 after class. You must had 8 sheets of paper because 8+25=33. 33-15 is 18. So, you had 8 sheets of paper before class. Hope this helps!
