Convert the following fraction to a decimal.

21/40

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

The table shows the number of students who signed up for different after school activities. activity students cooking 9 chess 4 photography 8 robotics 11 select the true statements about the information in the table.