I dont remember how to solve these

Carly bought a new house for $125,000. the value of the house appreciates approximately 3.5% each year. what will be the value of the house after 10 years?

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

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?