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
Answer: B
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Solve the problem using the rule of 78s.Hassan used a fixed installment loan from his bank to finance his used car purchase. He borrowed $5500 and has a 36 monthly payments of $220.00 each. Instead of making his 13th payment, Hassan decides to pay the remaining balance on the loan. How much interest will Hassan save?
A. $1153.32 B. $971.84 C. $1083.11 D. $1002.88
Find Y and é in the parallel circuit below if BC = 400 æS and G = 250 æS.
a. é = 60ø, Y = 500 æS
b. é = 30ø, Y = 289 æS
c. é = 60ø, Y = 800 æS
d. é = 30ø, Y = 800 æS
e. é = 58ø, Y = 472 æS
Determine the vertex and the x-intercepts. Then sketch the graph.y = x2 + 2x - 8
A. 
Vertex: (1, 9);
x-intercepts: (-2, 0) and (4, 0)
B. 
Vertex: (- 1, - 9);
x-intercepts: (-4, 0) and (2, 0)
C. 
Vertex: (1, - 9);
x-intercepts: (-2, 0) and (4, 0)
D. 
Vertex: (- 1, - 9);
x-intercepts: (4, 0) and (2, 0)
Determine the slope and the y-intercept of the graph of the equation.11x + y + 2 = 0
A. m = 11; (0, -2)
B. m = - 
; 
C. m = - 
; 
D. m = -11; (0, -2)