The distance formula is d=√(x2-x1)² + (y2-y1)²
So... d =8.06226
Hope this helps
Answer: 
Step-by-step explanation:
The area of a rectangle can be calculated with this formula:

Where "l" is the length and "w" is the width.
You can identify from the figure that the length and the width of this rectangle are:

Then, you need to substitute this lenght and this width into
:

Now, apply Distributive property:

Finally, you need to add the like terms. Then, you get:

Answer:
10 tacos costs $15.00
Step-by-step explanation:
I like to use ratio's to solve this type of problem. I will put cost over number of tacos.
$6.00 x dollars
-------- = --------------
4 tacos 10 tacos
Using cross products
6 * 10 = 4 * x
60 = 4x
Divide each side by 4
60/4 = 4x/4
15 =x
10 tacos costs $15.00
Step-by-step explanation:
expanded notation form. 10+3+0.6+0.05+0.002
expanded factor form. 1x10+3×1+6x0.1+5×0.01+2×.001
exponential form 1x10^1 + 3x10^0 + 6x10^-1 + 5x10^-2 + 2x10^-3
word form is thirteen and six hundred fifty-two thousandths
2a + b^2
2(3) + 2^2
6 + 4
10
(x-3)/y
((12)-3)/(3)
9/3
3/1
3