The answers to these questions will be expressions, or equations without the equal sign.
Answers:
1) 4w (multiplying w by 4 to get Melvin)
2) 1/2y - 5 (we are finding half of y then subtracting 5)
3) 2(x - 5) (first subtracting 5 from x then multiplying it both by 2)
4) a + e = 10 (a and e equals 10)