The area of a rectangle is 42 cm2. The rectangle is enlarged by a scale factor of 5. What is the area of the enlarged rectangle?
A) 47 cm2
B) 57 cm2
C) 210 cm2
D) 1050 cm2

X-10/4 when x = –18 a 7 b –2 c –7 d 2

Scenario: susan wants to make 2 square flags to sell at a crafts fair. the fabric she wants to buy is 3 meters wide. she doesn't want any fabric left over. what's the least amount of fabric she should buy? question: which equation will susan solve her problem? note: let x represent the length of 1 side of the flag. options: 1) 2x^2 = 4x 2) 8 +2x = 2(4x) 3) 2 * 2 = 4 * 2 4) 4x^2 -2x = 0

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking