Hi guys i don’t know what this really is but this is the equation 2x+2=7x+7 and it say = 90 at the end plz help

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

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.