A prepaid phone card comes with $20 worth of call on it. Calls cost a flat rate of $0.16 per minute,
la Write the value left on the card as a function of minutes
used so far
b. Use the function to determine how many minutes of calls
you can make with the card,

Select the correct answer. in the figure, angle k measures 45°. what is the measurement of angle c? a. 38° b. 45° c. 90° d. 98°

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

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1