X - y = 4 X + y =8

The x-coordinate of the solution to the system shown is

1. 12
2. 4
3. 6
4. 2

Find the third,fifth and seventh term sequence described by each rule a(n)=n+1

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots