Which of the following are equal to s(7) ? s(n) = 3n - 1

Why do interests rates on loans to be lower in a weak economy than in a strong one

Is the figure congruent? yes or no?

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.