Solve the system of equations using substitution.
A. (-2, 5)
B. (-3, 6)
C. no solution
D. (2, 6)
Answer: A
Mathematics
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Given that the polynomial function has the given zero, find the other zeros.f(x) = x4 - 9; 
i
A. 
B. -
i, 
, -
C. -
i
D. -
i, 3, -3
Mathematics
Solve the problem.A college student earned $8200 during summer vacation working as a waiter in a popular restaurant. The student invested part of the money at 
and the rest at 
If the student received a total of $694 in interest at the end of the year, how much was invested at 
A. $4000 B. $4100 C. $1171 D. $4200
Mathematics
Solve.2x1/2 - 3x1/4 - 2 = 0
A. 16, 
B. 16
C. -2, -1
D. 2, - 
Mathematics
Use properties of real numbers to calculate the expression mentally.
? 
? 
? 7 ? 
A. 
B. 
C. 
D. 
Mathematics