Answer:

Step-by-step explanation:
Given
-- of the roadworks

Required
Determine the speed
In this case:


<em></em>
<em> --- approximated</em>
Answer:
60 square units
Step-by-step explanation:
What do we complete there is no picture
Answer:
$13.75
Step-by-step explanation:
the bill before the tip is x.
0.20x = 2.75
now divide both sides by .20
x= 2.75/0.20
x=13.75
Answer:
Width: 7 Length: 10
Step-by-step explanation:
Width: x
length: 2x-4
Area: 70 meters squared
(2x-4)x=70
2x^2-4x=70
2x^2-4x-70=0
2(x^2-2x-35)=0
(x-7)(x+5)=0
x cannot be negative so x=7