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Questions in mathematics

[Done] A coin is tossed, and a spinner with four equal sections numbered 1 through 4 is spun. What is the probability that the coin will land with heads up and the spinner will stop on 3? A. B. C. D.

[Done] What is the square root of 216?

[Done] How do you solve \((3x - 2y)^2\)?

[Done] Is \(-0.65\) a rational or irrational number, and why?

[Done] Tabitha has 4 music files, each with 9 songs. She is dividing the songs into 7 groups. If each group will have the same number of songs, how many songs will be left over?

[Done] What is the equation [tex]x^2 + y^2 = 9[/tex]?

[Done] What is the slope of the line [tex]y = 7x - 8[/tex]?

[Done] What plus what equals 56?

[Done] 10 boys share 7 cereal bars equally. What fraction of a cereal bar does each boy get?

[Done] What two numbers add up to -15 and can be multiplied to get 56?