Attached the solution with work shown.
(3 x 10) x 8 = 3 x (10 x 8)
this is called the associative property of multiplication.
it states : (a * b) * c = a * (b * c)
I am guessing Jack is 51 and Lacey is 17.
<span>An equation that would be perpendicular is opposite the reciprocal. </span>
Answer:
NO solution , the -17y at both sides will cancel ,so no variable left
Step-by-step explanation: