Suppose we want to choose seven colors without replacement from nine distinct colors a) if the order of the choices is not taken into consideration how many ways can this be done? B) If the order of choices is taken into consideration how many ways can this be done?

11

step-by-step explanation:

32.50-7.50=25

225/25=11

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)

i believe that the slope of the line is -5

step-by-step explanation:

ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.