Which expressions, when evaluated with y = –7, are positive in value?
choose all answers that are correct.
a.
18 + 2y
b.
–3y + (–17)
c.
–2y – 23
d.
–30 – 4y

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?