State the real number that corresponds to the situation.One country exported $88,500,000 more than it imported, giving it a positive trade balance.
A. 88,500,000
B. -88,500,000
Answer: A
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Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs $4 per foot for two opposite sides, and $2 per foot for the other two sides. Find the dimensions of the field of area 800 ft2 that would be the cheapest to enclose.
A. 56.6 ft @ $4 by 14.1 ft @ $2 B. 20 ft @ $4 by 40 ft @ $2 C. 40 ft @ $4 by 20 ft @ $2 D. 14.1 ft @ $4 by 56.6 ft @ $2
Solve the problem. Round to two decimal places unless otherwise indicated.If the average cost per unit C(x) to produce x units of plywood is given by C(x) = 
, what do 400 units cost?
A. $1090.91 B. $12000.00 C. $1199.90 D. $120.00
Use the formula for the nth term of a geometric sequence to find the indicated term of the sequence with the given first term, a, and common ratio, r.Find a8 when a = 5,000,000, r = 0.1.
A. 5 B. 0.5 C. 0.005 D. 0.05
Write the rational expression in lowest terms.
A. 
B. 
C. 
D. 