Add and simplify.
+ 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the inequality analytically, writing the solution set in interval notation.-7 < 5x + 3 ? 13
A. [-2, 2] B. [-2, 2) C. (-2, 2] D. (-2, 2)
Mathematics
Solve the following problem. Be sure to make a diagram of the situation with all the given information labeled. ? If a 76.0-foot flagpole casts a shadow 57.0 feet long, what is the angle of elevation of the sun? Apply the rules regarding the use of significant digits when determining your answer. Round to one decimal place. ? __________º
Fill in the blank(s) with the appropriate word(s).
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Find the exact value of the expression if ? = 30°. Do not use a calculator.f(?) = cos ?Find 3 f(?).
A. - 
B. 
C. 
D. - 
Mathematics
Find the area represented by the definite integral.
A. 11
B. 
C. 
D. 5
Mathematics