Subtracting a positive is the same thing as adding a negative. Subtracting a negative is the same as adding a positive. Sometimes it's a little easier to do it that way.
The length of the hypotenuse is 20 cm.
$30
You need to add $4 to $26 since the tomatoes were 26 dollars and she received 4 back
6.375 is greater than 6.333
