An equilateral triangle is folded in half. What is x, the height of the equilateral triangle? please help a girl out :)

An animal shelter has 21 puppies. if the puppies are 28% of the total dog and cat population , how many dogs and cats are in the animal shelter

Answer asap! show all work! find the number of complex roots, the possible number of real roots and the possible rational roots of the polynomial function. then, solve for all roots. x^3 + 2x^2 + 3x + 6 = 0

There are 85 apples on the big tree, john picked out 15%. how many did john pick out?