Find the x value in the solution to the system of equations shown : y=14x-6, y=-4x+48

Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders