Which best describes emerging scientific ideas?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

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

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square