alexa has set up a lemonade stand outside her house and sells small cups and large cups of lemonade. each small cup holds 8 ounces of lemonade and each large cup holds 16 ounces of lemonade. alexa used 320 ounces of lemonade and sold twice as many small cups as large cups. determine the number of small cups sold and the number of large cups sold.

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?