a number icosahedron has 20 sides numbered 1 through 20. what is the probability that the result of a roll is a number less than 4 or greater than 11​

Part a: select all of the ordered pairs that are located on the graph of the equation. part b: does the graph of the equation represent a function? select all correct answers for part a and one answer for part b.

Prove that quadrilateral is a rhombus.

Hundred and tens tables to make 430 in five different ways