Which of the following are discussed in the Preamble to the U. S. Constitution? that the Constitution is being enacted to secure liberty for the people
that states should be able to leave the union when they want
the duties and responsibilities that each citizen has to the government
right to freedom from searches without a warrant

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