Which is the direct linear variation equation for the relationship?
y varies directly with x and y = 10 when x = 2.
a. y = x + 8
b. y = 5x
c. y = 2x + 6
d. y = x – 8

Answer this question only if you know the answer! 30 points and

Write an equation for the function that includes the points (2,100)and (3,100)

(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.