Use algebra to find the value of a in the triangle, when 
.
?
?
__________°
Fill in the blank(s) with the appropriate word(s).
20
Mathematics
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Solve.The population of a small country increases according to the function 
where t is measured in years. How many people will the country have after 8 years?
A. 5,014,311 B. 3,305,107 C. 1,187,640 D. 2,734,642
Mathematics
Find the indicated intercept(s) of the graph of the function.x-intercepts of f(x) = 
.
A. (2, 0), (0, 0) B. (- 6, 0) C. (3, 0), (-2, 0) D. (2, 0), (-3, 0)
Mathematics
State whether the equation is the result of an identity, commutative, associative, or distributive property.(1 + 8) + 8 = (8 + 1) + 8
A. Distributive B. Associative C. Commutative D. Identity
Mathematics
Find the exact value of the expression if ? = 60°. Do not use a calculator.g(?) = cos ?Find 9g(?).
A. - 
B. - 
C. 
D. 
Mathematics