Which expression is equivalent to |a| ≤ 4 A. a ≤ -4 or a ≥ 4

B. a ≥ -4 or a ≤ 4

C. a ≥ -4 and a ≤ 4

D. a ≤ -4 and a ≥ 4

What is the difference between regular convex and concave polygons

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

41/17 as a decimal rounded to the nearest hundredth