At wren station high school, there are x physics teachers and y chemistry teachers. the total number of chemistry and physics teachers together is 7. the number of chemistry teachers is 1 fewer than three times the number of physics teachers.

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer

The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?