Triangle a'b'c' is a dilation of

triangle abc. what is the scale
factor?

enter your answer in the box

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.

Can someone show me step by step how to do this?

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.