Aroller coaster begins at 90 feet above ground level. then it descends 105 feet.
find the height of the coaster after the first descent.

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4