Write the statement as an inequality.z is less than or equal to 1
A. z > 1
B. z < 1
C. z = 1
D. z ? 1
Answer: D
Mathematics
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Multiply.-4x2(-2x4 - 5x2 - 4)
A. 8x6 - 5x2 - 4 B. 8x4 + 20x2 + 16 C. 8x6 + 20x4 + 16x2 D. 8x6 + 20x4
Mathematics
Solve the equation for the specified variable.A = 
bh for b
A. b = 
B. b = 
C. b = 
D. b = 
Mathematics
Find the foci of the given hyperbola.y2 - x2 - 14y + 12x - 23 = 0
A. (0, 6
), (0,- 6
)
B. (6, 7 + 6
), (6, 7 - 6
)
C. (6 + 6
, 7), (6 - 6
, 7)
D. (6, 7 + 
), (6, 7 - 
)
Mathematics
Insert parentheses, if needed, to make the expression on the left equal to the number on the right.-9 + 69 ÷ 12 - 20 = -15
A. -9 + 69 ÷ (12 - 20) = -15 B. (-9 + 69) ÷ (12 - 20) = -15 C. -9 + 69 ÷ 12 - 20 = -15 D. (-9 + 69) ÷ 12 - 20 = -15
Mathematics