How can you tell before you divide 425 by 9 that the first digit of the quotient is in the tens place

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

If rt is greater than ba, which statement must be true ?