Name the property illustrated by the sentence.-1 + 1 = 0

A. Associative property of addition
B. Commutative property of addition
C. Additive identity property
D. Additive inverse property


Answer: D

Mathematics

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Solve.Find the total cost of tiling a triangular area having a base length of 9 meters and a height of 5 meters if it costs $6.65 to tile one square meter. Round to the nearest cent.

A. $93.10 B. $45.00 C. $149.63 D. $299.25

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Subtract.

A. 57,755 B. 53,693 C. 53,753 D. 53,755

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Add or subtract as indicated. Write your answer in the form a + bi.(7 - 7i) + (2 + 5i)

A. 5 + 12i B. 9 + 2i C. -9 + 2i D. 9 - 2i

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The cost to repair a car after a collision was $2,500. The automobile insurance policy paid the entire bill except for a $100 deductible, which the driver paid. What percent of the cost did he pay?__________ %

Fill in the blank(s) with the appropriate word(s).

Mathematics