I believe the answer to the question is D.
Answer:
F(x)=4 means you plug in the 4 into where the variable is.
Step-by-step explanation:
Not really sure what your question meant but If you trying to find a problem with f(x)=4, then you plug in 4 into the variable of x.
7a-2b = 5a + b
2a=3b
a = 3b/2
It depends if Ashley was on the call for seconds too,if there can be a remainder , if so then it would be 3 min. and 47 sec.
Positive 28 because to negative will equal a positive number
