Which expression models this phrase? 27 decreased by the difference of a number and 3 a. (n – 3) – 27 b. 27 – n + 3 c. 27 – (n – 3) d. 27 – n – 3

What is the value of x in the diagram below?

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?