Answer:
x<2 and x> -8
Step-by-step explanation:
Answer:
She waited five minutes.
Step-by-step explanation:
You can tell that she waited five mins because between points D and E there is a straight line meaning that she was not moving. So you know that she was standing still waiting.
I hope this helps!!!
Answer:
(B) 
Step-by-step explanation:
(A) The given expression is: 
=
The value of this expression is 8 which is greater than the base of the expression that is 2.
(B) The given expression is: 
=
=
The value of this expression is 0.09 which is smaller than the base of the given expression that is 0.83.
(C) The given expression is: 
=
The value of this expression is 9 which is greater than the base of the given expression that is 3.
(D) The given expression is: 
=
The value of this expression is 256 which is greater than the base of the given expression that is 4.
Hence, Option B is correct.
Answer:

Step-by-step explanation:
Let the office charge = x
Amount paid by Medicare = ⅞x
Amount paid by Ross = ¼(⅞x) = $262.50
Solve for x

Check:

OK.
Answer:
48cm
Step-by-step explanation:
take width of rectangle to be=xcm
Length will be 3x
Area of rectangle=length × width
A=3x × x =3x²
3x²=108
x²=108/3=36
x²=36
x=√36=6cm
substitute
lenth=3x=3×6=18
width=x=6cm
perimeter=2l+2w
p=2×18 + 2×6
p=36+12=48cm