Answer:
k = 2
Step-by-step explanation:
-8k + 6 = -10k + 10
-8k = -10k +4
2k = +4
2k / 2 = 4 / 2
k = 2
After one week it will be a total decrease of 175 milligrams
The answer should be 12.2
7^2+10^2=c^2
49+100=c^2
149=c^2
12.2=c
Answer:

Step-by -step explanation:
Solving inequalities is similar to solving equations.

Subtract 10 from both sides.

Divide by 5 from both sides to isolate the x.

X=-1/3 and x=4 are the positive and negative x intercepts