1.7 X 2 - 4 + 2 + 4 2. (12 + 2) - (9- 32)
3. 9 x 8 30 + 4
4.5+ 2+ 8 + 4 (4-2)
5. 12 - 5 2 + 36​

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.

Given abc find the values of x and y. in your final answer, include all of your calculations.

What is the definition of a surd. give an example.