Solve using the elimination method. Use a graphing calculator to check your answer.
x - 
y = -18
x + 
y = -9
A. (12, 0)
B. (0, 12)
C. (-12, 0)
D. (0, -12)
Answer: C
Mathematics
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At the given point, find the slope of the curve, the line that is tangent to the curve, or the line that is normal to the curve, as requested.y5 + x3 = y2 + 10x, tangent at (0, 1)
A. y = 
x + 1
B. y = 2x + 1
C. y = - 2x - 1
D. y = - 
x
Mathematics
Perform the indicated operation, if possible.
+ 
- 
A. 
B. 
C. 
D. 
Mathematics
Simplify.
A. 7
B. 1
C. 
D. 7(a - 3b)
Mathematics
Solve the problem.Suppose a car rental company charges $94 for the first day and $44 for each additional or partial day. Let S(x) represent the cost of renting a car for x days. Find the value of S(3.5).
A. $154 B. $226 C. $204 D. $248
Mathematics