Answer:
The first picture presented showing to rows of dots in a somewhat straight line.
Step-by-step explanation:
Yes you can use the discriminant of a quadratic/polynomial. For instance, if

there is one real root. If

there are two real roots and i

there are no real roots
The discriminant comes from the quadratic equation, which is the following.
Answer:
4/9
Step-by-step explanation:
There are 9 letters in the word zookeeper. 4 of those letters are either a k or an e. So the probability is 4/9.
Answer:
78/13 = 6 (is the price of one candle)
6(price) x 10(candles) =60 is the answer
Hope it helped