S = sisters ages
M =2S +7
M=13
13 = 2S+7
subtract 7 from each side
6 = 2S
divide by 2
3=S
sisters age is 3
+3°C
an increase in temperature is denoted by +
- 7 + 10 = +3C
Answer:
look at the explanation
Step-by-step explanation:
in order to create a f(-2) you would need to know either a table of values or an equation to plug values into . . .saying a function of -2 does not really help, sorry
I’d say the answer would be d
<span>89 is the correct answer.
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