Question

evaluate the expression when a = 9 and b = 4. b + 6a

Explanation:

Step1: Substitute given values

Substitute $a=9$, $b=4$ into $b+6a$:
$4 + 6\times9$

Step2: Calculate multiplication first

Compute $6\times9$:
$6\times9=54$

Step3: Calculate final sum

Add 4 to the result:
$4 + 54$

Answer:

58