23: 47
which system of linear inequalities is represented by the
graph?
y> 1x + 3 and 3x - y> 2
y? 2x + 3 and 3x - y> 2
oy> 1x + 3 and 3x + y > 2
+ 3 and 2x - y
next
sub

Use set builder notation to represent the following set: { -3, -2, -1, 0}

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

(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.