Solve the equation.
= y + 4
A. {7}
B. {-6}
C. {-5}
D. {6}
Answer: D
Mathematics
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Solve the problem.The spring of a spring balance is 6.0 in. long when there is no weight on the balance, and it is 9.3 in. long with 8.0 lb hung from the balance. How much work is done in stretching it from 6.0 in. to a length of 10.7 in.?
A. 95 lb?in. B. 5.7 lb?in. C. 4.6 lb?in. D. 27 lb?in.
Mathematics
Perform the requested operation on the given function.f(x) = -4x2 + 7x - 8, g(x) = 5x + 9Find (f + g)(-2).
A. -36 B. -9 C. -39 D. -7
Mathematics
Find the midpoint of the line segment joining the points P1 and P2.P1 = (3, 5); P2 = (1, 9)
A. (2, 7) B. (4, 14) C. (7, 2) D. (2, -4)
Mathematics
Solve for the specified variable.P = 
for r
A. r = 
B. r = 
C. r = 
D. r = P - tA
Mathematics