Solve.If fencing costs $2 per foot, find the total cost for fencing a rectangular garden  by 

A. $120
B. $480
C. $240
D. $1798


Answer: C

Mathematics

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Use Gaussian elimination to solve the system of equations (if possible).



a.   (–9, –3, 8)
b.  (–9, –3, –8)
c. (9, –3, 8)
d. (9, –3, –8)

Mathematics

Find all rational zeros of f. Then (if necessary) use the depressed equation to find all roots of the equation f(x) = 0.f(x) = 3x3 - 19x2 + 27x - 7

A.
B.
C.
D.

Mathematics

Determine which of the following three propositions are equivalent.



a.  (a) and (b)
b.  (a) and (c)
c.  (b) and (c)
d.  all three are equivalent

Mathematics

Find the sum.-14.4 + (-12.8)

A. -1.6 B. 1.6 C. -27.2 D. 27.2

Mathematics