Answer:
Complementary angles.
Step-by-step explanation:
Notice that
and
, by given.
, by sum of angles.
, by supplementary angles definition.

Which means,

Therefore,
, in other words, angles a and b are complementary by definition.
<span>(y-7) = 3/5 (x+25)^2 so the y intercept is -7 and the vertex is 35
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