<h3>
Answer: 0</h3>
The discriminant is the number under the square root of the quadratic formula

The discriminant formula is 
If D = 0, then the whole square root portion is 0 meaning we end up with the solution 
Answer:
<h2>$87.32</h2>
Step-by-step explanation:
Step one:
given data
we are told that the initial bill is $74
thereafter they gave a tip worth 18% of the bill
let us compute what 18% of $74 will amount to
Step two:
=18/100*74
=0.18*74
=$13.32
The added expenses is $13.32
Hence the total cost is
the initial bill plus the tip
=74+13.32
=$87.32
Answer:
4th option because the two negatives will become positive and the 3rd will make it negative again