Write the first 4 terms of the sequence defined below. an={−6,ifn=1an−1+5,ifn>1 A. −6, −1, 5, 10 B. −6, −30, −150, −750 C. −6, −11, −16, −21 D. −6, −1, 4, 9

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?

If the average of x, y and z is 15 what is their sum