If you are subtracting (3x^(2)+x)-(-2x^(2)+x) which of the following choices correctly adds the opposite of the second polynomial? (3x^(2)+x)+(2x^(2)+x)
(3x^(2)+x)+(2x^(2)-x)
(3x^(2)+x)-(-2x^(2)-x)
(3x^(2)+x)-(-2x^(2)-x)

i think its B

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.