6. The value of a piece of fine jewelry is $280 and decreases at a rate of 3% yearly for 7 years.

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

Three coins are flipped. what is the probability that there will be at least two tails?

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.