Answer:
1
Step-by-step explanation:
1/(1+p+q^-1)+1/(1+q+r^-1)+1/(1+r+p^-1) = 1.
After moving all the terms to the right of the equation and solving you would get A = -36/49. Hope this helps!
Answer:
y=2x+7
Step-by-step explanation:
y-y1=m(x-x1)
y-9=2(x-1)
y=2x-2+9
y=2x+7
The answer is B. Carlos worked two hours and earned $20
Solution
- 89 gallons contains 40 gallons twice such that:

- This means that we can find at least 200% of 40 gallons in 89 gallons. This gives us what to expect.
- To get the percentage we are looking for, we should use the formula:

New, in this case, is 89 gallons, Old is 40 gallons.
- Thus, we can calculate the percentage as follows:

Thus, the answer is 222.5%