Find y find the measure of angle c
find x
find a measure of Angle d
find a measure of Angle f​

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

If set d is not the empty set but is a subset of set e, then which of the following is true? d ∩ e = d d ∩ e = e d ∩ e = ∅