Answer:
146%
Step-by-step explanation:
To find the percent increase/decrease:
1. Subtract the original value from the new value.
2. Divide by the original value.
3. Multiply the decimal by 100 to convert to a percent.
98.9 - 40.2 = 58.7
58.7/40.2 = 1.46
1.46*100 = 146%
Answer:
67
Step-by-step explanation:
Division:-

Answer: k=-1/x^2+2
Step-by-step explanation:
The answer is 1 and 4/5. Just divide and put the remainder as the numerator and the numerator stays the same