Half the coefficient of x of the equation x2 - 6x + 1 = 0 ?
a.-3
b. one half
c. 5
d.1

Asalesman earned 20 000 in a month. if he saved 8000, what percentage of his salary did he spend

Astudent solved six out of ten problem correctly. what is the ratio of the number of correct answer to the number of wrong answers? ​

The latex manufacturing company produces aluminum frying pans and casserole dishes. each frying pan and each casserole dish requires 40 ounces of aluminum. the company’s daily supply of aluminum is limited to 560 ounces. each frying pan requires 20 minutes on the casting machine. the casting machine is available for 400 minutes daily. each frying pan requires an insulated handle and only 12 of these are available daily. each casserole dish requires two special pick-up handles and only 16 of these are available daily. each frying pan contributes ₱25 to profit and each casserole dish contributes ₱20. the objective is to find the number of casserole dish and frying pan to make daily in order to maximize the profit.