Determine whether the statement is true or false, someone

43lbs of tomatos cost $387. how much would 41lbs cost

Plz hurry evaluate the expression a+b where a=8 and b=19

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.