What is a quadratic (4th degree) polynomial function P(x) with rational coefficients so that p(x)=0 has roots 1, 3, and 1+2i Please provide work!

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.

Bocephus has a bag full of nickels and dimes. if there are 3 times as many dimes as nickels, and he has $\$36.05$ in his bag, how many nickels does he have?

What is 6/10 rounded to the nearest half