Perform the indicated operation.23 - (-7)
A. -30
B. 30
C. -16
D. 16
Answer: B
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Find the compound interest earned by the deposit. Round to the nearest cent.$4000 at 1.1% compounded semiannually for 10 years
A. $225.53 B. $462.43 C. $463.77 D. $440.00
Find the indicated vector.Let u = 
. Find 9u.
A. 
B. 
C. 
D. 
Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola.(y + 2)2 - 9(x - 4)2 = 9
A. center: (4, -2)
transverse axis is parallel to x-axis
vertices: (-4, -3) and (4, 3)
foci: (4, - 
) and (4, 
)
asymptotes of y + 2 = - 3(x - 4) and y + 2 = 3(x - 4)
B. center: (-4, 2)
transverse axis is parallel to y-axis
vertices: (-4, -1) and (-4, 5)
foci: (-4, 2 - 
) and (-4, 2 + 
)
asymptotes of y + 2 = - 3(x - 4) and y + 2 = 3(x - 4)
C. center: (4, -2)
transverse axis is parallel to y-axis
vertices: (5, -4) and (5, 2)
foci: (5, -1 - 
) and (5, -1 + 
)
asymptotes of y + 2 = - 
(x - 4) and y + 2 = 
(x - 4)
D. center: (4, -2)
transverse axis is parallel to y-axis
vertices: (4, -5) and (4, 1)
foci: (4, -2 - 
) and (4, -2 + 
)
asymptotes of y + 2 = - 3(x - 4) and y + 2 = 3(x - 4)
Solve the equation. First simplify the expression by combining like terms.-7(k - 7) - (-8k - 6) = 3
A. - 4 B. 52 C. 58 D. - 52