Solve the equation. 
+ 7 = 17
A. {24}
B. {-1156}
C. {10,008}
D. {5004}
Answer: D
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Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.-9 + (-7)
A. -17 B. 17 C. 16 D. -16
Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = -9 B. x = 9, x = 8 C. x = 9 D. none
A company of 16 people, 8 boys and 8 girls, decided to go to the cinema. How many ways to seat them in one row exist if any two boys and any two girls should not seat beside each other?
a. 3,251,404,800 b. 1,625,702,400 c. 20,922,789,888,000 d. 128
Solve the problem.The following graph shows the private, public and total national school enrollment for students for select years from 1970 through 2000.
i) How is the graph for total school enrollment, T, determined from the graph of the private enrollment, r, and the public enrollment, u?ii) During which 10-year period did the total number of students enrolled increase the least?iii) During which 10-year period did the total number of students enrolled increase the most?
A.
| i) | T is the sum of r and u. |
iii) 1990-2000
B.
| i) | T is the sum of r and u. |
iii) 1980-1990
C.
| i) | T is the difference of r and u. |
iii) 1990-2000
D.
| i) | T is the sum of r and u. |
iii) 1970-1980