Times all the numbers together. 5 bagels x 4 spreads x 4 toppings= 80
Answer:
4x^2 -16
Step-by-step explanation:
(2x + 4)(2x - 4)
FOIL
first:2x*2x = 4x^2
outer: -4 *2x = -8x
inner: 4*2x = 8x
last: -4*4 = -16
Add them together
4x^2 -8x+8x =-16
4x^2 -16
Answer:
100
Step-by-step explanation:
we first find the area of the rectangle:
8*10=80
now we find the area of the triangle:
(6*8)/2=24
Now we add the area of the triangle and the rectangle up:
24+80=104
Now we round that up to the nearest ten:
100
Answer: 40
Step-by-step explanation:
Given
Radius of disc 
The dimension of the sheet is 
Area of a single disc

Area of sheet

No. of discs that can be cut off the sheet are

The total area of the disc is

Sheet wasted
