Answer for these. this is not any kind of test.

Step-by-step explanation:

12) 42

13) 10.4

14)

a) 0.25

b) 0.39

15) 2.1

16) 35.7

17) 270£

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.