Write each whole number in expanded form.2070
A. 20,000 + 7000
B. 2000 + 70
C. 200 + 7
D. 207,000
Answer: B
Mathematics
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Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. infinitely many solutions; {
y + x = 6} or {
x = -y}
B. no solution; ?
C. {(1, 5)}
D. {(1, 1)}
Mathematics
A vector v has initial point P and terminal point Q. Graph 
and write 
as 
P = (9, 0), Q = (-4, 5)
A. 
B. 
C. 
D. 
Mathematics
Find the sum of the series.
A. 21 B. 12 C. 42 D. 23
Mathematics
Write the number in scientific notation.0.00000013907
A. 1.3907 × 106 B. 1.3907 × 10-7 C. 1.3907 × 10-6 D. 1.3907 × 107
Mathematics