Afigure has a vertex at (-1, -3). if the figure has line symmetry about the y-axis, what are the coordinates of another vertex of the figure?

a) (-3, -1)

b) (3, 1)

c) (1, -3)

d) (-1, 3)

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota

Fill in the missing exponents in each box and show how you found the answer. (4 points: 2 points for each correct answer with work shown) c. (9^4)^? =9^1 d.(5^? )^3=5^1 *question marks represent the boxes

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? 0.62 0.78 0.84 0.96