What is 3.5(2.25+x)=14

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a