Write an equation that expresses the relationship. Use k as the constant of variation.f varies jointly as b and the difference between p and z.
A. f = kb + p - z
B. f = 
C. f = kb(p - z)
D. f = k(bp - z)
Answer: C
Mathematics
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Find the area of the specified region.Inside the circle r = a sin? and outside the cardioid r = a(1 - sin ?), a > 0
A. 
(6 - ?)
B. 
(3
- ?)
C. 
(2? - 3
)
D. 
(4? - 3
)
Mathematics
Solve the problems.Jarod calculated the speed of a train to be 28 feet per second. Calculate the speed in miles per hour. Round to the nearest whole number.
A. 15 mi/hr B. 22 mi/hr C. 16 mi/hr D. 19 mi/hr
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Collect like terms.9ab - 3ab + 6
A. 12ab + 6 B. -6ab + 6 C. 12ab D. 6ab + 6
Mathematics
Use the leading coefficient test to determine whether y?? or y?-? as
y = 3x6 - x5 + 7x2 - 9
A. ? B. -?
Mathematics