A brick has a mass of 18.3 kg and a volume of 890 cm3. Evaluate the density of the brick in g/cm3 rounded to 3 significant figures.
1 g/cm3

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25

Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet.what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet