120/30=40-1=39
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Answer:

Step-by-step explanation:
Use the slope formula so y2 - y1 / x2 - x1 [the numbers are subscripts]
So -8 - (-3) / -2 - (-6) so -8+3/-2+6, therefore -5/4
Answer:
D
Step-by-step explanation:
42 minus 31 is 11
so 11/42 = /100
Answer:
a
Step-by-step explanation:
bc its the only one that makes sence to me heheh
Answer:
a) f(6)=(6)^2+4(6)+1=65
b)f (x+9)=(x+9)^2+4 (x+9)+1=(x^2+18x+81)+(4x+36)+1=x^2+22x+117
f (-x)=(-x)^2-4x+1