Determine whether the given point is in the solution set to the given system.(-1, 6)x + y = 5x - y = -7
A. No
B. Yes
Answer: B
Mathematics
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Find the mass of the wire that lies along the curve r and has density ?.C1: r(t) = (5 cos t)i + (5 sin t)j, 0 ? t ? 
;C2: r(t) = 5j + tk, 0 ? t ? 1; ? = 7t5
A. 
units
B. 
units
C. 
?5 units
D. 
?5 units
Mathematics
Factor by grouping.uv - 7u + 5v - 35
A. (v + 7)(u - 5) B. 5u(v - 7) C. (v - 7)(u + 5) D. (v - 7)(u - 5)
Mathematics
Find the x- and y-intercepts for the equation. Then graph the equation.16y - 4x = -8
A. 
, 
B. 
, 
Mathematics
Solve.Hannah owns 28 acres of land which she rents to a rancher for $2132 per acre per year. Her property taxes are $794 per acre per year. How much profit does she make on the land each year?
A. $60,490 B. $37,464 C. $58,902 D. $81,928
Mathematics