Solve the system by graphing. Check the coordinates of the intersection point in both equations.
A. {(x,y) 
}
B. ?
C. {(6, 2)}
D. {(2, 6)}
Answer: D
Mathematics
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Write the expression with positive exponents, and simplify if possible.9-1 ? 4-3
A. - 
B. 
C. 
D. 
Mathematics
Solve the problem.The population of a particular city is increasing at a rate proportional to its size. It follows the function 
where k is a constant and t is the time in years. If the current population is 26,000, in how many years is the population expected to be 65,000?
A. 55 yr B. 8 yr C. 3 yr D. 5 yr
Mathematics
Find the indicated term of the arithmetic sequence.Given an arithmetic sequence with a1 = -8 and a8 = 48, find a15.
A. 112 B. 85 C. 104 D. 54
Mathematics
Find the distance between P and Q and the coordinates of the midpoint of the segment joining P and Q.
A. 
; 
B. 15; 
C. 15; 
D. 3i
; 
Mathematics