Joel is making a scarf. the diagram shows the ratio of knit stitches and purl stitches of joel's scarf.
a tape diagram showing 2 parts labeled "knit" and 7 parts labeled "purl"
based on the ratio, how many purl stitches are there if there are 8 knit stitches in one row of joel's scarf?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

It says factor each expression 49x-28?

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?