What is x if [-1 -2 4 8] + X =[-5 -1 2 1]

Solve 2 - 3 cos x = 5 + 3 cos x for 0° ≤ x ≤ 180° a. 150° b. 30° c. 60° d. 120°

Atown has a population of 17000 and grows at 2.5% every year. to the nearest year, how long will it be until the population will reach 19600?

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?