Louis Poinsot established the patterns for the icosahedron and the dodecahedron in 1809. Besides really long words, what are they?

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

Find the area of a parallelogram with base 15 yards and height 21 2/3

If (17, 4) is an ordered pair of the inverse of f(x), which of the following is an ordered pair of the function f(x)? a. (17,4) b. (4.17) c. (4,0) d. 0,17)