A sequence is defined by the function F(n) = F(n -1) +5, where n represents the number of the term for n >1, and f(1) = -4. What are the first four terms of the sequence? 1, 6, 11, 15
-4, 0, -1, -2
0, -1, -2, -3
-4, 1, 6, 11

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.

Prove that 16^4-2^13-4^5 is divisible by 11.