Abird (b) is spotted flying 900 feet from an observer. the observer (o) also spots the top of a tower (t) at a height of 200 feet. what is the angle of depression from the bird (b) to the observer (o)? (4 points)
a. 12.52°
b. 12.84°
c. 77.16°
d. 83.69°

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?