Which number has a 3 with a value that is 100 times greater than the value of the 3 in 20.345

The sum of two numbers is 12 and their difference is 18 what are the two numbers

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

Type the correct answer in each box. use numerals instead of words. if necessary, use / fir the fraction bar(s). the graph represents the piecewise function: h