What substitution should be used to rewrite 6(x + 5)2 + 66 6)- 4 = 0 as a quadratic equation

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Combine the information in the problem and the chart using the average balance method to solve the problem.