Answer:
50+4=54 and you can't add a number with a letter to th number that doesn't so it is 54+3x.
Step-by-step explanation:
Answer:
Invoice price
Step-by-step explanation:
The actual price paid to the manufacturer or distributor by the end-customer retailer, which is known as the invoice price. However, in many industries, the "invoice cost" actually varies from the "net purchase cost," or the actual price of a product. -Wikipedia (I am not sponsoring I am stating my source)
Answer:
if the question is what is the are of the circle without the rectangle inside it, then we could solve it easily using the Mathematical formula for A Circle's area which is

since a radius is half a diameter, and the diameter is 8cm, the radius becomes 4 cm
Step-by-step explanation:
π×4^2
3.14×16
50.24
Answer:
You were 5 years old.
Step-by-step explanation:
Brother is 5+x
X is your age.
5+x=10
-5 -5
x=5