Answer:
15
Step-by-step explanation:
trust me
Answer:
For $1 its 12.5lbs
Step-by-step explanation:
Answer:

Step-by-step explanation:
x² = 19x + 12
⇔ x² - 19x - 12 = 0
Calculating the discriminant :
b² - 4ac = (-19)² - 4×1×(-12) = 409
The discriminant is positive ,then the equation has two solutions.

Answer:
Undefined
Step-by-step explanation:
No multiplicative inverse exists for 0