Find a quadratic function f(x) whose graph is a parabola that passes through the point (-2,-54) and has vertex (8,6) f(x)=

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.

Use the squared identities to simplify sin^2x cos^2x

Im so bad at fractions they are not my best math thing to work on