Answer:
6
Step-by-step explanation:
Let x over 126 will equal 1/21.
Therefore,

<span>Associative Property of Multiplication : (ab)c = a(bc)
</span>so
answer is
6(4a ⋅ 2) = (6 ⋅ 4a) ⋅ 2
Answer: A fireworks shell is shot straight up with an initial velocity of 80 feet per second. Its height s after t seconds is given by the equation
s = 80t − 16t2.
Step-by-step explanation: