8. You can tell a number is divisible by 2 if it ends in a 0,2,4,6, or 8
Answer: according to spark notes: There can be 0, 1, or 2 solutions to a quadratic equation, depending on whether the expression inside the square root sign, (b2 - 4ac), is positive, negative, or zero. This expression has a special name: the discriminant.
In this case it is 0, not 2, which was my first and wrong answer
the correct answer is B
"ice cream at -3 degrees C is cooler than ice cream at 1 degree C"
-3 is smaller than 1
-3 < 1
No, both of the numbers are less than one whole and when you multiply them (I got 4/5) 4/5 is less than both of the factors.