Find the first term, a1, of an arithmetic sequence if a15 = 136 and a19 = 168. 32/23 8 24 23

Since is an arithmetic sequence, there is some constant by which consecutive terms differ. This means








By a similar token, we can express in terms of :

Find the perimeter of the figure shown above with a side length 5 units.(each figure is a square).a.10 unitsc.30 unitsb.20 unitsd.40 units select the best answer from the choices providedabcdmark this and return