Y= {(2, 6), (3, 1, 4), (1), (5, 6)} is y a function and why?

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

2/3(-6y+9x) expand each expression using the distributive property

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.