Consider the logical expression: a) rewrite the expression adding parentheses to show the precedence of operators b draw the truth table c) determine if the expression is a tautology, contingency, or absurdity d explain how to determine whether the expression is a tautology, contingency, or absurdity

Answer! if you don’t mind, can you explain

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.

Write the equation in general quadratic form: plz !