She mentions the physical characteristics of that egg. She uses the symbolism to give the egg a dynamic power. "the first delicate crack of lightning" is an example of the dynamism and power given to the egg through the expression lightning. The symbolism is atechnique that uses symbols to give qualities to objects, like an egg using sometinmes other object, like a lightning.

Counterclaim text which gives it a defensive manner

The slope of a linear equation is equal to the change in the value of the dependent variable divided by the change in the value of the independent variable. in this problem, the dependent variable is the profit while the independent variable is the worker's average pay. if the profit is said to increase by 1500 when worker's average pay decrease by 450, the slope is equal to 1500/(-450)=-3.33