The following formula is used to find the answer.
D = 50 mg (0.6^n)
D is the dosage
n is at any hour
Using this formula and solving the equation for it, the answer is 18.
Answer:
B
Step-by-step explanation:
120-73 = S
therefore 73+s = 120
so 120- s = 73
Answer:
y(3y - 4)
Step-by-step explanation:

Both have y.
Factor y out of 

Answer:
(b – 8)(b + 4)
Step-by-step explanation:
The signs of the binomial constants must be different in order for their product to be -32.
The one with the larger magnitude must be negative in order for their sum to be -4. The only viable choice is (b -8)(b +4).