Step-by-step explanation:
Hey there!!
During evaluating the expression, you must follow,
- put the value as given.
- work according to the mathematical operation sign.
Here,
[tex]i). \: b + {c}^{2} [/tex]
[tex] = 30 + {6}^{2} [/tex]
= 30+36
= 66.
ii). b-4c
= 30 - 4×6
= 30 - 24
= 6
Hope it helps...
