There are 60 minutes in one hour. use a tape diagram to find the total number of minutes in 6 hours and 15 minutes.

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23