Answer:
4x + 1
Step-by-step explanation:
note that (f + g)(x) = f(x) + g(x) , thus
f(x) + g(x)
= x + 3x + 1 ← collect like terms
= 4x + 1
Answer:
99.5 minutes
Step-by-step explanation:
50=45
495=?
495×45÷50=99.5
Answer:120in
Step-by-step explanation:
C., because 60 is half of 120, and 12% is half of 24%
hope it is right