Alex bought twice as many pears as apples. he bought 4 more pears than oranges. he bought 6 apples.
how many oranges did alex buy?

How do the graphs of y = 1/x and y=5/x+6 compare?

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.