12=w- {-7} No explanation needed

Which expression is equivalent to the expression below? (6c^2 + 3c) / (-4c + 2) / (2c + 1) / (4c - 1)a. 3c(2c-1) / (2c + 1)b. -3c(2c-1)^2 / (2c + 1)^2c. 3cd. -3c(just took the test its d. -3c)

An object in geometry with no width, length or height is a(n):

Jane has 5 nickels. john has 3 dimes. jane says she has a greater amount of money. with the information given, is she correct?