Mari used a thermometer to record tempatures of -3.4 celsius and 1.6 celsius. what is the difference between both of the tempatures Mari recorded?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

The polynomial 10x3 + 35x2 - 4x - 14 is factored by grouping. 10x3 + 35x2 - 4x - 14 5x )-20 what is the common factor that is missing from both sets of parentheses?

How many ordered pairs of positive integers satisfy xy=32?