Alina is an ecologist who studies the change in the bear population of Siberia over time. The relationship between the elapsed time, t, in years, since Alina began studying the population, and the
total number of bears, N(t), is modeled by the following function:
t
N(t) = 2187 - (0.67)
Complete the following sentence about the yearly percent change of the bear population.

Find the area of the unshaded square

Which of the following would be a correct step in proving that triangle abc is congruent to triangle cda? a. use a protractor to measure the angles and show that all the corresponding angles are equal in measure. this will allow you to prove congruence by aaa. b. show that segment ab is parallel to segment cd and segment ad is parallel to segment cb. this will allow you to prove congruency by asa. c. show that is segment ab is perpendicular to segment ad. this will allow you to prove congruence by sas. d. none of the above.

Ms. lopez has 4 liters of chemicals that she is going to pour into beakers. each beaker will have 1/4 of a liter of chemicals, how many beakers can ms. lopez fill? draw a model to support your work. (it's ok if you dont)