Answer:
x≈4.1
Step-by-step explanation:
15.6/2=7.8
Use Pythagorean Theorem
7.8^2+x^2=8.8^2
60.84+x^2=77.44
x^2=16.6
x=√16.6≈4.1
88/57
k 2 + k + 1
Step By Step:
Cancel the common factor.
Then.
k 2 + k +1 by 1
Gets you k2+k+1
Answer: X= y^2
4:10
use ratio and further divide
