For the polynomial 6xy^2 - 5x^2y^?+9x^2 to be a trinomial with a degree of 3 after it has been fully simplified, what is the missing exponent of the y in the second term?

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points

Fill in the table with whole numbers to make 430 in five different ways