Answer:
A 120
Step-by-step explanation:
3x^2 - 36 ÷ y - (5 + 16)
Let x = 7 and y =6
3(7)^2 - 36 ÷ 6 - (5 + 16)
PEMDAS
Parentheses first
3(7)^2 - 36 ÷ 6 - (21)
Exponents
3*49 - 36 ÷ 6 - (21)
Multiplication and division from left to right
147 - 6 -21
Addition and subtraction from left to right
120
