Choose the equation that matches the graph. 
A. x - 3 = 0
B. y + 3 = 0
C. y - 3 = 0
D. x + 3 = 0
Answer: C
Mathematics
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Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs $7 per foot for two opposite sides, and $8 per foot for the other two sides. Find the dimensions of the field of area 620 ft2 that would be the cheapest to enclose.
A. 28.5 ft @ $7 by 21.8 ft @ $8 B. 23.3 ft @ $7 by 26.6 ft @ $8 C. 21.8 ft @ $7 by 28.5 ft @ $8 D. 26.6 ft @ $7 by 23.3 ft @ $8
Mathematics
Multiply.
A. 49x2 - 
x - 
B. 49x2 + 
C. 7x2 - 
D. 49x2 - 
Mathematics
Write the number as a decimal.4.704 × 10-5
A. 0.00004704 B. 0.000004704 C. -470,400 D. 0.0004704
Mathematics
Solve the equation.18(x + 1) = 2(9x - 2) + 22
A. {18} B. ? C. {all real numbers} D. {0}
Mathematics