Which pair of numbers have a GCF of 3? and does 1 and 3 count as a answer

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

Sum is 17 and their difference is 3