B. parallelogram , rhombus , and rectangle
Answer:
B
Step-by-step explanation:
Its 15% because you have to divide 270 by 1800
I recommend using a calculator, but working out the problem manually is alright too. Be sure to check your answer to make sure it's correct by looking over your work or by multiplying two of the numbers to see if it equals the third. The answer is about .92.
No the signs stay the same
