I need help with both but you can answer just one

Which of the following points is collinear with (-2,1) and (0,3)

Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit

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.