Acertain recipe calls for 2/3 of a cup of wheat flour. if the recipe is to be doubled, how much wheat flour is needed? write a fractional answer in simplest form.

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

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i