Help me with this question if you could

Which parent function is an example of a piecewise function? answers: linear parent function quadratic parent function an exponential parent function absolute value parent function pls i’m sorry if this doesn’t make sense

Factor p 2 + 18p + 32. (p+ 4)(p + 8) (p + 2)p+ 16) (p + 16)2

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.