I don’t understand this I’m looking for x, y and z and explain it to me pls

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

To prove that angle def = angle dgf by sas, what additional information is needed? def congruent to dgf dfe congruent to dfg de congruent to dg dg congruent to gf

Which rule describes the composition of transformations that maps △abc to △a”b”c