When you flip a biased coin the probability of getting a tail is 0.4. How many times would you expect to get tails if you flip the coin 220 times?

Name the quadrilaterals that have four equal sides.

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Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots