Evaluate the expression `3b-ac` when `a\ =\ 2`, `b\ =3`, and c=-1.5
12
-5
-15.5
24
To evaluate the expression `3b - ac` when `a = 2`, `b = 3`, and `c = -1.5`, we substitute the values in the expression:
`3(3) - 2(-1.5)`
Simplifying the expression gives us:
9 + 3
The final answer is:
12