Twenty-one executives in a large corporation were randomly selected to study the effect of several factors on annual salary (expressed in $000s). The factors selected were age, seniority, years of college, number of company divisions they had been exposed to, and the level of their responsibility. The results of the regression analysis follow: 
Write out the multiple regression equation
Definitions:
Hereditary Breast Cancer
Breast cancer that is associated with inherited gene mutations, significantly increasing the risk of developing breast cancer in family members.
Tumor-Suppressor Genes
Genes that help regulate cell growth and division and can protect cells from becoming cancerous. When mutated or inactivated, they may contribute to cancer development.
Genealogical Lineage
Refers to the direct descent from an ancestor to its progeny, tracing the heritage and ancestry through generations.
Gene Tree
A graphical representation showing the inferred evolutionary relationships among various genes from different species based on their DNA sequence.
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