Find the solutions to the system of equations by the addition method.
- 
= -18
+ 
= -9
A. (0, 12)
B. (12, 0)
C. (0, -12)
D. (-12, 0)
Answer: D
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Solve the problem.Find the equation of a circle in standard form that is tangent to the line x = -3 at (-3, 5) and also tangent to the line x = 9.
A. (x + 3)2 + (y + 5)2 = 36 B. (x - 3)2 + (y + 5)2 = 36 C. (x + 3)2 + (y - 5)2 = 36 D. (x - 3)2 + (y - 5)2 = 36
Which of the pictures illustrates a dilation? Answer A, B, Both A and B, or Neither.
?
(A) 
?
(B) 
What will be an ideal response?
Find the nth term and the indicated term of the arithmetic sequence {an} whose initial term, a, and common difference, d, are given.a1 = 0; d = 
an = ?; a28 = ?
A. an = 
(n + 1); a28 = 
B. an = 
(n - 1); a28 = 
C. an = 4(n - 1); a28 = 27
D. an = 
n; a28 = 7
Write the rate as a unit rate.32 miles on 2 gallons of gas
A. 16 miles/gallon B. 64 miles C. 34 gallons D. 0.063 miles/gallon