Solve the problem.A tree casts a shadow of 26 meters when the angle of elevation of the sun is 24°. Find the height of the tree to the nearest meter.
A. 12 m
B. 13 m
C. 10 m
D. 11 m
Answer: A
Mathematics
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Decide whether the expression is or is not an identity.
2 = 1 - sin x
A. Identity B. Not an identity
Mathematics
Solve.x2 + y2 = 36x2 - y2 = 36
A. (6, 0) and (-6, 0) B. (0, -6) C. (0, 6) and (0, -6) D. (6, 0)
Mathematics
Graph the equation using a graphing utility. Use a graphing utility to approximate the intercepts rounded to two decimal places, if necessary. Use the TABLE feature to help establish the viewing window.y = -2x + 15
A. (0, -15), (7.5, 0) B. (0, 15), (7.5, 0) C. (0, 15), (-7.5, 0), (7.5, 0) D. (0, 15), (-7.5, 0)
Mathematics
Simplify the exponential expression using the rules for exponents. 
-2
A. 
B. 
C. 
D. 
Mathematics