Answer:
The sum will be positive because when using KCF ( keep change flip) the problem becomes 75-57 therefore the answer will be positive 18. hope this helps
X/8=15/12
X=10
The answer Is 10
Answer:
There is an easy way to tell whether the graph of a quadratic function opens upward or downward: if the leading coefficient is greater than zero, the parabola opens upward, and if the leading coefficient is less than zero, the parabola opens downward.
Step-by-step explanation
