emily looked at the prices of the fancy pens and quickly estimated (to the nearest dollar) the cost of a typical fancy pen. the prices were $2.42, $2.34, and $6.51. what is the cost of a typical fancy pen, and how did she do it?

what is the question here

step-by-step explanation:

y = 2x

step-by-step explanation:

if you divide each number in the sequence, you'll see that they all have a multiple factor of 2. each number in the series, and any other numbers which may continue, will be multiplied by 2. therefore, y is the next number in the sequence, and x is the current one, so, our formula will be y = 2x.

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)

6 cm

step-by-step explanation: