Answer:
Use a graphing calc or desmos to help guide you.
Step-by-step explanation:
Witch answer choice represents a person running 90 calories by climbing 18 flights of stairs
1 answer:
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Answer:
+ 3x +9x +27 = 0
x(x+3)+9(x+3)=0
(x+3)(x+9)=0
x=-3, x=-9
Step-by-step explanation:
a=1 b=12 c=27
sum=12
factor=27x 1
3x9
also 3+9=12