Is -3/4 rational or irrational

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Which of the following is the true for f(x) = 5cos

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.