Is -6.75 a natural, whole, integer, rational, irrational, real

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

Given: ab ≅ bc and ao ≅ oc ok − angle bisector of ∠boc find: m∠aok