Answer:
use foil f(n)= n^2+3n-28 #markasbrainliest
Correct!
no matter what value we enter in for x, the statement will always be incorrect
3(1)=3(1)+4
3 = 3+4
3

7
Answer:

Step-by-step Explanation:
cuz i know mark brainliest please
Answer:
659.6 ft
Step-by-step explanation:
x = 140 / tan 23
x = 329.82(rounded to hundredth)
so total ground distance between the cables = 2x = 2(329.82) = 659.64 feet
Combine like terms to solve the equation