Help me!Pls!

Question 15 2 pts Given -- Very Simple Programming Language (VSPL) ::= a b c ... | 2 | 0 | 1 | ... | 9 ::= + | - | * |||* | | -= | >= | ::= | ::= | | ) ::= variable> = ; ::= | Identify each valid statement (multiple answer): a = x + y; b = 5*t; c= w+ v; (x2 - x1) = vel /(t2- t1); average = Total / Length; dvalue = (a*a) + (2* a*b) + (b*b); newVal = (((a+b) + C) / d); accel = distance / time 2