Which two numbers have decimal forms that are non-terminating and non-repeating? A) 1 7 B) 2 C) 9 144 D) π E) 12 57

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.