Explanation:
We replace x with 3 and use PEMDAS to evaluate
8*x+23
8*3+23
24+23
47
12m
step-by-step explanation:
square root means have of a number so have of 3 is 1.5 then multiply it by 8 and you get your answer!
i did it myself and i got 4.2 (b) hope its right