Solve the system by substitution.x = 3y + 7y = x - 5
A. (-4, -1)
B. (-4, 1)
C. (4, -1)
D. (4, 1)
Answer: C
Mathematics
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Write the numbers in order from smallest to largest.5.23, 4.68, 4.86, 5.32
A. 4.68, 5.23, 4.86, 5.32 B. 5.32, 5.23, 4.86, 4.68 C. 4.68, 4.86, 5.23, 5.32 D. 4.86, 4.68, 5.32, 5.23
Mathematics
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.7x2 + 18x - 8
A. (7x + 4)(x - 2) B. (7x - 4)(x + 2) C. (7x - 2)(x + 4) D. Prime
Mathematics
Perform the indicated operations.
- 
A. 1
B. 
C. 
D. 
Mathematics
Refer to the graph of the linear function defined by 
or the graph of the linear functions defined by 
and 
to solve the equation or inequality.
f(x) ? 0
A. (-?, -6] B. [3, ?) C. (-?, 3] D. [-6, ?)
Mathematics