Answer:
The formula of (a+b)² and (a-b)² are as follows:
Step-by-step explanation:
(a+b)²=a²+2ab+b²
(a-b)²=a²-2ab+b²
Answer:
Well then...
Step-by-step explanation:
Let the length of the classroom in the drawing be x, then 1in / 8ft = xin / 36 ft. Therefore, xin = 36 ft / 8 ft x 1in = 4.5in
A horizontal line would be parallel to the x-axis. This means that it would be in the form y= ____. Because coordinates of a point are written as (x,y) the corresponding y coordinate for this horizontal line would be 4.
The final answer is C. y=4
There are 50 total patrons. 16 like lattes, 12 like espressos, and 8 like both drinks.
Add the two totals for patrons that like either lattes or espressos:

8 patrons like both drinks, so subtract this from the amount of patrons that like either drink:

20 patrons like at least one drink.
Subtract the amount of patrons that like a drink from the total amount of patrons:

30 patrons like neither drink.