1.A retired couple invested $5000 in bonds. At the end of one year, they received an interest payment of $305. What was the simple interest rate of

1.A retired couple invested $5000 in bonds. At the end of one year, they received an interest payment of $305. What was the simple interest rate of the bonds?

2.Solve: −12+8x≥18x−10 Write answer in INTERVAL NOTATION.

3. Determine the slope of the line represented by the equation: 1x−7y=−10