Determine whether the series is convergent or divergent by expressing sn as a telescoping sum (as in example 7). ∞ cos 7 n2 − cos 7 (n + 1)2 n = 1

Which statement about the relative areas of triangle abd and triangle xyz is true

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.