Which term could be put in the blank to create a fully simplified polynomial written in standard form?

8x3y2−+3xy2−4y3

x2y2
x3y3
7xy2
7x0y3

Is the square root of 4 plus the square root of 16 rational?

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

What sums are equal to 6/12? choose all answers that are correct a.6/12+6/12+6/12+6/12+6/12+6/12 b.2/12+1/12+1/12+2/12 c.5/12+1/12 d.1/12+1/12+1/12+3/12 plz : )