Based on the cladogram, which characteristics are
common to amphibians, lemurs, and humans?
phibians
Humans
vertebrae, tetrapod, hair
amniotic egg, hair, biped
tetrapod, verteb
Common ancestor

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Nine more than four times a number is the same as one less than twice the number. find the number?

50 points and will mark brainlest if you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking: