Find the requested value of the variable.y varies directly as z2. If y = 648 when z = 9, find y when z = 6.
A. y = 72
B. y = 54
C. y = 288
D. y = 432
Answer: C
Mathematics
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Find the area of the shaded region.
A. 
B. 
C. 
D. 
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Solve the problem.Water is falling on a surface, wetting a circular area that is expanding at a rate of 
How fast is the radius of the wetted area expanding when the radius is 
(Round your answer to four decimal places.)
A. 91.4552 mm/s B. 0.0687 mm/s C. 0.0109 mm/s D. 0.0219 mm/s
Mathematics
Provide an appropriate response.Use unity ratios to change 17 minutes into seconds.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Add.6x9 + 8x8 - 8x7 + 8 and 7x9 + 2x8 - 4x7 - 3
A. 11x48 + 5 B. 10x9 + 10x8 + 3x7 + 15 C. 13x9 + 10x8 - 12x7 + 5 D. 13x18 + 10x16 - 12x14 + 5
Mathematics