How has immigration to the US changed since the 1920s? (Countries of origin, push/pull factors, politics of immigration.

When eating out, record the total cost of your meal (before tip) and the tip that you left. determine the percent of the cost of the meal that you left as a tip.

After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a.r'(–3, 1),  s'(–3, 5)b.r'(–1, 3),  s'(–5, 3)c.r'(1, 3),  s'(5, 3)d.r'(5, 3),  s'(1, 3)

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)