Answer:
-2
Step-by-step explanation:
Replace x with -1
(-1)2 - (-1) - 1
-2 + 1 - 1
-2
Answer: y=23x
Step-by-step explanation:
Answer:
13.4 feet
Step-by-step explanation:
a²+b²=c²
12²+6²=c²
144+36=
=13.4
Answer:
X= 20
Step-by-step explanation:
4x + 8 = 88
4x +8 - 8 = 88 - 8
4x = 80
4x/4 = 80/4
X = 20