The answer is 15 because u divide 7 on both sides
Answer:
When A is positive there is a minimum vertex.
Step-by-step explanation:
When a parabola is positive the opening goes upwards. When a parabola is negative it goes downwards. The negative sign on the A coefficient means that you reflect your equation across the x-axis
The value of x is more 90 because the angle is an obtuse and an obtuse is more than 90 degrees.
D. 45 and can you answer my history please ASAP