Answer:
f(x)=1x·8= total distance
Step-by-step explanation:
f(x) is a function
1= hour
x= how many hours
8= miles
Answer:
4
Step-by-step explanation:
2+2=4
Not sure about this but, is it a line?
Answer:
A
Step-by-step explanation:
the other options are constants, option A is the only option that would just be represented by a whole number
Sarah is 14
The twins are 12
The youngest (n) is 7
14+(12+12)+7=45
n=7