Solve the system by the substitution method.x + y = 1x2 + y2 = 16y - 39
A. {(-3, 4), (-4, 5)}
B. {(4, -3), (5, -4)}
C. {(-4, 5), (-5, 6)}
D. {(5, -4, (6, -5)}
Answer: A
Mathematics
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A. equilateral B. isosceles C. scalene
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Find an equivalent equation in rectangular coordinates.r = 10 sin ?
A. x2 + y2 = 10y
B. 
= 10x
C. 
= 10y
D. x2 + y2 = 10x
Mathematics
Find the annual percentage rate using the table.
A bicycle is purchased for $930 and financed for 12 months. If the total finance charge is $63.98, find the annual percentage rate.
A. 12.25% B. 12.50% C. 12.00% D. 12.75%
Mathematics
Factor completely.20(z - 4)2 - 17(z - 4) - 10
A. (4z + 18)(5z + 25) B. (4z - 21)(5z - 18) C. (4z + 5)(5z + 2) D. (4z + 9)(5z + 6)
Mathematics