Kalvin tosses a coin five days in a row and gets tails every time. Do you think there is something wrong with the coin? How can you find out?

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

What are the sotions to the quadratic equation 9x^2=4

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers