Answer:

Step-by-step explanation:
By using the formula:-

where, (h,k) is the center and r is the radius
About 45 miles and if you have options choose the closest to45 miles
600 becuase 90/.30= 300 and 300*2 =600
Answer:
28
Step-by-step explanation:
2x-3y+z=-3 , x-5y+7z=-11 , -10x+4y-6z=28
The solution will be where the graph crosses the x-axis.
When a graph crosses the x-axis, the value of the function is 0. Just look at your graph and look at the x-values where the graph crosses the x-axis.