Can someone help me I really need it

I've never been good at math he told he loves but he keeps cheating on me, so it ain't adding up sis

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

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?