In a bag of marbles 12% were blue 18%were green and the rest were purple if the bag has 150 marbles how many were blue or green

The figure below shows rectangle abcd and the triangle eca on a coordinate plane. which of the following expressions represents the perimeter of triangle of triangle eca in units

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 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/show your work:

If i want to read a 124-page book in 3 weeks how many pages would i have to read each day?