Solve the problem.A rectangle has a length of x + 3 and a width of x - 3, and has an area of 40 square units. Find the length and width of the rectangle. (A = LW)
A. width = 1 unit; length = 40 units
B. width = 5 units; length = 8 units
C. width = 4 units; length = 10 units
D. width = 2 units; length = 20 units
Answer: C
Mathematics
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Solve the discount problem.A painting originally priced at $210 is on sale at 10% off. Find the sale price. Round to the nearest cent.
A. $189.00 B. $21.00 C. $2,079.00 D. $2.10
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Complete the puzzle, as instructed.Insert numbers so that all rows, columns, and diagonals sum to the same constant.
A. 
B. 
C. 
D. 
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Factor the polynomial completely.  figure 1.png)
 figure 2.png)
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Classify ?ABC using its angles.
(a) obtuse
(b) acute
(c) equiangular
(d) b and c
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