Answer:

Step-by-step explanation:
Divide both sides by 

Simplify:
; 
400 to 400-60 which is 340
Does this helps you?
I hope it does but tell me if it doesn't.
Answer: 203
Step-by-step explanation:
to find the area, you have to multiply the length of the sides together. 29x7 = 203
Answer:
Y - 6x = - 20
Step-by-step explanation:
Y = 6x + c
Substituting the value of x and y
4 = 24 + c
Subtracting 24 from both sides
C = - 20
Y = 6x - 20
Subtracting 6x from both sides
Y - 6x =- 20