Question

Evaluate the expression for r = –31, s = 4, and t = –16.

Answer 1

st - r = -33

Step-by-step explanation:

We need to replace r by -31, s by 4 and t by -16, so the expression is equal to

st - r = 4(-16) - (-31)

st - r = - 64 + 31

st - r = -33

So, the answer is

st - r = -33