Perform the indicated operations and simplify.
+ 
- 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Simplify the expression. Assume that all variables are positive when they appear.
A. y6
B. y3
C. 
D. y
Mathematics
Solve the problem.A study in a small town showed that the percent of residents who have college degrees can be modeled by the function 
where x is the number of years since 2005. According to the model, what percent of residents had a college degree in 2010? Round to the nearest whole number.
A. 73% B. 57% C. 63% D. 68%
Mathematics
Write the inequality in interval notation.-9 < x ? -2
A. (-9, -2) B. [-9, -2) C. (-9, -2] D. [-9, -2]
Mathematics
Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 + 3x +
A. 0; 
2
B. 0; 
2
C. 
; 
2
D. 
; 
2
Mathematics