Answer:
number 3
Step-by-step explanation:
when you have a number +- another number it's basically the same as -
p=0 or p=-7/15
15p2+7p=0
p(15p+7)=0
p=0 or 15p+7=0
13.66
In the picture above
I guess it decreases by 4 everytime so -4??? If thats what your asking
30,26,22,18,14,10,8,4,-2.
