Answer:
40.90
Step-by-step explanation:
I do not know what pen is but if it is dollars then....
Answer:
x=5
y=1
Step-by-step explanation:
3*5=15
5*1=5
15+5=20
To solve for R you use PEMDAS
Answer:
The area of the rectangle is 42 units^2
Step-by-step explanation:
we know that
The area of rectangle is equal to
In this problem
AB=DC
BC=AD
see the attached figure with letters to better understand the problem
we have that
the formula to calculate the distance between two points is equal to
we have the points
<em>Find out the distance BC</em>
we have
substitute in the formula
<em>Find out the distance AB</em>
we have
substitute in the formula
<em>Find out the area</em>
we have
substitute