Which of the following transformations will always produce a congruent figure?
a.
expansion
b.
contraction
c.
dilation
d.
reflection

Mp model with mathematics explain how the number of text messages dario sent and the cost form an arithmetic sequence.then write an expression to find dario's text messaging bill if he sends n text messages over 250.

What is the measure of the smallest angle in the diagram? 15 29 32 45

Need on this geometry question. explain how you did it.