There are a total of 122 countries in africa, europe, and north america. europe has twice as many countries as north america, and africa has seven more than europe. how many countries are in each continent? write an equation and solve it to answer the question

Which expression is equivalent to sq-80

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.