A particular sound wave can be graphed using the function y = -10 sin 4x. Find the amplitude and period of the function. A. Amplitude=10, period= 1/2π
B. Amplitude=2π, period= -10
C. Amplitude=-10, period= 2
D. Amplitude=1/2π, period= 10

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Adriana sold 50 shares of a company’s stock through a broker. the price per share on that day was $22.98. the broker charged her a 0.75% commission. what was adriana’s real return after deducting the broker’s commission? a. $8.62 b. $229.80 c. $1,140.38 d. $1,149.00