Find the difference in the following sequence: -7, -9, -

Ammonia molecules have three hydrogen atoms and one nitrogen atom. how many of each atom arein five molecules of ammonia

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

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two