Which of the following is equivalent to the polynomial below? x^2 - 10x + 61 a. (x-(5--(5+6i)) b. (x+(5-+(5-6i)) c. (x+(5--(5+6i)) d. (x+(5-+(5+6i))

Need on this one asap im almost done with this subject

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?

Is the square root of 4 plus the square root of 16 rational?