X^2+2x= -8
x^2+2x+1= -8+1
(x+1)^2= -8+1
(x+1)^2=-7
x+1= √-7
The answer is No Solution because the root of a negative number is not a real number.
The measures of the interior angles together would be 40 degrees, but separate, they would be 20 degrees.
1 lb= 16 oz
3/4 of 16=12
therefore Ms. Winn bought 12 oz of grapes
if you know the tables then you can do that easily.