Answer: c) 2x² - 2x + 4
Step-by-step explanation:
Answer:
x = -35
Step-by-step explanation:
Answer:
area of the floor = 540*840.
=453600 cm sq.
area of the marbal piece = 1/2 * 40* 30 = 600 cm sq.
now,
no. of marble piece reqd. = 453600 / 600 = 756 marbal piece.
hope it helps u.
If the elevator stopped at the 18th floor and she got in and went 14 floors down and got off, she got off on the 4th floor