Solve for x.
x4≥−8
1. x≤−2
2. x≥−32
3. x≥−2
4. x≤−32

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

Find two numbers if their sum is 91 and the ratio is 6: 7?