What is the sign of 3xy when x > 0 and y <0?
Choose 1
А
Positive
B
Negative
С
Zero

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.

Can someone me with this? i’m not sure what to put for my equations.