A man was standing on top of a 200-metre-high building, looking down at a playground at a 40° angle of
depression.
a) What is the distance between the playground
and the base of the building?

Will give brainliest what is the value of x? enter your answer in the box.

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.

Which of the following functions corresponds to the above sinusoid? a. 10 cos πx - 5 b. -5 sin x - 5 c. -10 cos πx/2 - 0.5 d. 10 sin πx - 5