The designers of a water park are creating a new slide and have sketched some preliminary
drawings. The length of the ladder is a = 26 feet, and its angle of elevation is 60º (see figure).
?
?
Find the angle of depression 
from the top of the slide to the end of the slide at the ground in terms of the horizontal distance d the rider travels.
?
A. 
B. 
C. 
D. 
E. 
Answer: A
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Use a sum-to-product identity to rewrite the expression.sin (11t + 10) + sin (2t + 1)
A. 2
B. 2
C. 2
D. 2
Use the graph to find the horizontal asymptote, if any, of the function. 
A. no horizontal asymptotes B. y = 0 C. x = -1, x = 1, y = 0 D. y = -1, y = 1
Tell whether the sampling strategy will result in a random sample from the population under consideration. If it is not random, explain why it is not.A researcher wishes to survey a random sample of high school teachers within a certain school district. There are 77 high schools in the school district. She lists the schools alphabetically and uses the calculator command 
to pick five numbers between 1 and 77. She visits the five schools corresponding to those numbers and interviews all teachers at each of the five schools.
What will be an ideal response?
Solve the problem.The function P(x) = 0.2x - 100 models the relationship between the number of pretzels x that a certain vendor sells and the profit the vendor makes. Find 
the profit the vendor makes from selling 500 pretzels.
A. $200 B. $0 C. $100 D. $400