Find the rectangular equation of the given polar equation.r = cos ?
A. x2 + y2 - y = 0
B. x2 + 2xy + y2 - x = 0
C. x2 + 2xy + y2 - y = 0
D. x2 + y2 - x = 0
Answer: D
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Determine whether F is conservative.F(x,y,z) = 7i + -ezj - yezk
A. conservative B. not conservative
Give an appropriate answer.Let
f(x) = -9 and
g(x) = 1. Find
.
A. 
B. 5
C. 
D. - 4
Answer the given question by setting up and solving the appropriate proportion. If necessary, round the answer to two decimal places.Two separate sections of a roof have the same slope. If the rise and run on one section are, respectively, 2.0 m and 4.7 m, what is the run on the other section if its rise is 5.0 m?
A. 3.6 m B. 11.75 m C. 12.75 m D. 4.6 m
Solve.A 51-foot piece of wire is cut into two pieces. One piece is twice as long as the other. Find the lengths.
Fill in the blank(s) with the appropriate word(s).