¿ cuales de las siguientes ecuaciones son verdaderas? (4.7 x 10/4)+ (9 x 10/4)= 1.27 x 10/5
(7.08 x 10/3) + ( 2.21 x 10/3) = 9.29 x 10/6
(5.43 x 10/8) - (2.33 x 10.8) = 3.1 x 10/4
(9.35 x 10/6 - 6.7 x 10/6 = 2.65 x 10/6

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?