Select the correct answer.
1 in = 2.54 cm

about how many millimeters are in 10.5 feet?
a.
266.7 mm
b.
320.04 mm
c.
3,200.4 mm
d.
1,260 mm

What is the smallest integer n such that n\sqrt{2} is greater than 20

Factor. 8x2y2 – 4x2y – 12xy 4(8x2y2 – x – 12xy) 4(2xy – 4x2y – 12xy) 4x2y2(2xy – xy –3) 4xy(2xy – x – 3)

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.