Parametrize the surface S.S is the portion of the cone 
+ 
= 
that lies between z = 5 and z = 7.
What will be an ideal response?
Answers will vary. One possibility is r = r cos ?i + r sin ?j + 
rk , 
? r ? 
, 
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Write an iterated integral for 
S = {(x, y, z): 0 ? x ? 7, 0 ? y ? 5, 0 < z ? (6 - 4x - 4y)}
A. 
B. 
C. 
D. 
Use scientific notation to perform the following operations. Leave your answer in scientific notation form.(2 × 108)(5 × 10-5)
A. 1.0 × 103 B. 1.0 × 104 C. 1.0 × 102 D. 0.0
Solve.Shelly can cut a lawn with a riding mower in 2 hours less time than it takes William to cut the lawn with a push mower. If they can cut the lawn in 8 hours working together find how long to the nearest tenth of an hour it takes for William to cut the lawn alone.
A. 17.1 hr B. 15.1 hr C. 15.2 hr D. 17.2 hr
Provide an appropriate response.Solve the following quadratic equation: x2 - 9 = 0
Fill in the blank(s) with the appropriate word(s).