Answer:
17
Step-by-step explanation:
Follow PEMDAS (parentheses, exponents, multiplication/division, addition/subtraction)
4^2+5 / (10 - 5)
10 - 5=5
4^2+5 / 5
4×4=16
16+5 / 5
5 ÷ 5=1
16+1=17