What is the solution set of the Inequality y/-3<11

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

Can someone me i’m confused. will give brainliest and a whole bunch of points

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is