What is the slope of the line of best-fit in the scatterplot below? On a graph, a trend line goes through points (3, 12) and (6, 19).
StartFraction 9 Over 27 EndFraction
StartFraction 3 Over 7 EndFraction
StartFraction 7 Over 3 EndFraction
StartFraction 27 Over 9 EndFraction

Sanjay solved the equation below. which property did he use to determine that 7x+42=42 is equivalent to 7(x+6)=42 7x+42=42 7x=0 x=0

15. jiovanni is looking in to two different companies that offer study guides for math exams.test prep 101 charges a $5 flat fee and an additional $0.25 per problem.math charges a $2 flat fee and an additional $0.50 per problem.how many prablems would make the costs of the two companies be equal? varibles: equations/eniqualities{ {

Rachel is baking a cake but does not know if she wants to make a round or a square cake which cake has a larger area a round 8 inch cake or a square 9 inch cake