Complete by evaluating each expression
6c-21for c=4
We have 6c-21
Now substitute the value of c=4
64-21⇒24-21=3
Hence the value of the expression is 3
Evaluate each expression if p=1,q=4andr=3:
q4
Evaluate each expression if p=1,q=4andr=3.
3pqr-11pr
Evaluate each expression if a=15,b=-3andc=-5.
-15÷a
79×n+4 for n=38