Write the statement as an inequality.z is negative
A. z ? 0
B. z ? 0
C. z > 0
D. z < 0
Answer: D
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Set up the iterated integral for evaluating 
over the given region D. DD is the solid right cylinder whose base is the region in the xy-plane that lies inside the cardioid 
and outside the circle 
and whose top lies in the plane 
.
A. 
B. 
C. 
D. 
Solve.How many different three-number "combinations" are possible on a combination lock having 29 numbers on its dial?
A. 21,924 B. 42,224 C. 21,112 D. 10,962
Solve.Doreen and Irena plan to leave their houses at the same time, roller blade towards each other, and meet for lunch after 2 hours on the road. Doreen can maintain a speed of 7 miles per hour, which is 70% of Irena's speed. If they meet exactly as planned, what is the distance between their houses?
A. 14 miles B. 34 miles C. 20 miles D. 23.8 miles
Fill in the ? with the steps needed to solve the equation. -8x + 4 + 7x = 11 ?x + 4 = 11 + ? ? -1x + 0 = 7 -1x = 7 ? ? x = -7
A. -1, -4, -4, -1, -1 B. -1, -4, -4, -7, -7 C. 1, -11, -11, 7, 7 D. -1, -11, -11, -1, -1