X^2- 6x - 7 = 0 can someone help me solve this by completing the square

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

Which number line correctly shows 0.8 + 0.3?

If you invest 1,500 today in a bank that gives you a 5 percent annual interest rate, which of these items can you buy in two years? a. electronics worth $1,650 b.fitness equipment worth $1,700 c.a holiday package worth $2,000