Answer:


Step-by-step explanation:
Given equation:

Divide both sides by 5:

Square half of the coefficient of
: 
and add this to both sides:

Factor the left side and simplify the right side:

Square root both sides:

Add 7 to both sides:

Answer:
90+15x+8x-2=180
Step-by-step explanation:
answer is 4
have a great day love!
2) given (because they already marked that on the picture)
3) N is vertically opposite to the angle above => N equals the angles above
JK is parallel to ML
JN = NL
4) KJN and MLN have alternate angles => equal
5) JN = NL
angle JNK = angle LNM
angle KJN = angle MLN
Answer:
1/3 ?
Step-by-step explanation:
im sorry its probably wrong, delete this if it is.
82.50?? I think because I just multiplied them.