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 160 times?

Myron put $5000 in a 2-year cd playing 3% interest, compounded monthly. after 2 years, he withrew all his money. what was the amount of the withdrawal?

Write the pair of fractions as a pair of fractions with a common denominator

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0