Answer fast.
how many elementary students are in this random sample? use a numerical value as your answer.

Timed*** there are 8 rows and 8 columns, or 64 squares on a chessboard. suppose you place 1 penny on row 1 column a, 2 pennies on row 1 column b, 4 pennies on row 1 column c, and so on … how many pennies are on each square? a =   b =   c = d =   e =   f = g =   h =

1. are the triangles similar and if so why? what is the value of x? show your work.

Write 17/20 as a decimal and as a percent.