HELP!!! i have 3 problems - Find the reference angle θ′ for θ=−4π3.
- Solve △ABC. Round your answers to the nearest hundredth, if necessary.
- Find the value of x for the right triangle.

What situation is an example of an observational study

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Choose the number sentence that shows the identity property of addition. a. 122 = 61 + 61 b. 62 = 1 + 61 c. 61 = 0 + 61