If a car travels 90 km in 1 1/2 hours, how fast is it

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 =

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

Which two undefined geometric terms always describe figures with no beginning or end?