Add the numbers using the number line.-3 + 0 
A. 0
B. 3
C. -3
D. -30
Answer: C
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Solve the problem.Determine for base four the smallest and largest four-digit numbers and their decimal equivalents.
A. 1111four = 85, 3333four = 255 B. 0000four = 0, 4444four = 340 C. 1111four = 85, 4444four = 340 D. 1000four = 64, 3333four = 255
Solve the problem.Find the coordinates of the centroid of the area bounded by y = x2 and y = 5
A. 
B. 
C. 
D. 
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
Find the perimeter.
A. 45 ft B. 85.5 ft C. 37 ft D. 46 ft