A farmer has 240 feet of fencing and wants to build two identical pens for his prize-winning pigs. The pens will be arranged as shown. Determine the dimensions of a pen that will maximize its area. 
a. 30' x 80'
b. 25' x 60'
c. 10' x 120'
d. 10' x 200'
e. 30' x 40'
e. 30' x 40'
Mathematics
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Solve.
- 
= 1
A. No solution B. 3, -1 C. 3 D. -3, -1
Mathematics
Use the compound interest formulas A = P
nt and 
to solve.Suppose that you have $3000 to invest. Which investment yields the greater return over 5 years: 7.5% compounded continuously or 7.6% compounded semiannually?
A. Both investment plans yield the same return. B. $3000 invested at 7.6% compounded semiannually over 5 years yields the greater return. C. $3000 invested at 7.5% compounded continuously over 5 years yields the greater return.
Mathematics
Solve the equation.12x - 3 = 0
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Assume that all variables represent non-negative real numbers.7
- 5xy
A. -3xy2
B. 2xy3
C. 2x2y3
D. -3x2y2
Mathematics