Answer:
x²+8x-65=0
Step-by-step explanation:
The equation to be used is
A=side²
The increased side = X
(4+x)² =81
x² +4x+4x=16=81
x²+8x+16-81=0
x²+8x-65=0
Answer:
43
Step-by-step explanation:
3(13)+4= 43
Answer:
I would say D saturday
Step-by-step explanation:
Hope this helped
1. 9/20 = 0.45
2. 0.46
3. 0.48
Answer:
z = 72
Step-by-step explanation:
-1/4z + 12 = -6
× 4
-z + 48 = - 24
-z = - 72
z = 72
