Atree casts a 25 foot shadow. at the same time of day, a 6 foot man standing near the tree casts a 9 foot shadow. what is the approximate height of the tree to the nearest foot?

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

Find the volume of the described solid. the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x. a) 441b) 147c) 864d) 882

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11