Subtract in the indicated base.4125 - 215
A. 4425
B. 3415
C. 3435
D. 3425
Answer: B
Mathematics
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Write the given Chinese numeral as a Hindu-Arabic numeral.
A. 840 B. 540 C. 940 D. 640
Mathematics
Provide an appropriate response.A student was asked to find ordered pairs that solve the system of equations x + 2y = 3 -2x - 4y = -6.The student claims that (1, 1) and (-1, 2) are the only solutions. Is the student correct?
A. Yes B. No
Mathematics
Solve by factoring.x2 + 108 = 21x
A. {9, 12} B. {1, 108} C. {-9, -12} D. {-108, -1}
Mathematics
The function 
describes the balance in an investment fund, 
, after 
months of withdrawing $330. Find any real zeros.
A. 23 months B. 22 months C. 21 months D. 20 months E. none of these
Mathematics