Answer:
x = 4.3
Step-by-step explanation:

x= 4.3
#4 is B, #5 is A, and #6 is C
The verbal expression is "<em>Four enn-cubed plus six</em>."
If you would like to know which equation relates the weight and the dosage, you can find this using the following steps:
30-pound dog ... 1 milligram of the medicine
w pound dog ... d milligram of the medicine
30 * d = 1 * w
30 * d = w
The correct result would be 30 * d = w.
5. The answer is D

because it says no more than 160 so it's possible to be equal to 160.
6.

So the answer is A