Hello!
You can only add like terms
3x^2 + 4x^2 = 7x^2
2x + -5x = -3x
-8 + 6 = -2
The answer is 7x^2 - 3x - 2
Hope this helps!
The total charge would be $445.
Hope this helps!!
1450 ft / 29.6 ft/s = 48.9864864865 seconds
Step-by-step explanation:
A. Class A
A higher mean equals higher median overall.
B. Class B
The range of a data is the difference between the greatest value and the smallest value; a lower range would infer that the data's range is not very wide, and thus is not very varied.