To Qualify for the championship a runner must complete the race in less than 45 minutes use t to represent the time in minutes of a runner who qualifies for the championship

The highest common factor of 132 and 220

Examine the following sets of events. set a: {1, 5, 7, 9, 14} set b: {2, 5, 6, 8, 14, 17} which of the following represents the intersection of set a and set b ? {∅} {5, 14} {1, 2, 5, 6, 7, 8, 9, 14, 17} {1, 2, 6, 7, 8, 9, 17}

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?