solve each formula for the indicated variable.

A) a= v/t for v=?
B) pe= mgh for g=?
C) p= 2(l+w) for w=?
D) d= a+abc for c=?

i need help please.

a. v = at

b.g = pe/mh
c. p/2 -l = w
d. (d-a)/ab = c