ZA and B are complementary angles. The measure of ZA is twice the measure of ZB. Write and equation to represent the complementary angle relationship between ZA and ZB. Use the equation to find
the measure of ZA and ZB. Show all of your work.

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30