I did this question on determining trigonometry ratios using a point on a terminal arm. But when I calculated it I got the wrong answer because I used the wrong points.

How do you know which points to use on the graph after using a protractor to measure the angle?

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.