Solve for the variable.-7x = 63
A. -70
B. 70
C. -9
D. 1
Answer: C
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Describe the indicated set in words and find the set.P - (E ? C)' , given the following information:The table gives features of different dishwashers
In the universal set U = {a, b, c, ..., i}, let the following characteristics be defined:P = price is at or below $455C = does an excellent job of cleaning chinaG = does an excellent job of cleaning glasswareE = has a good energy efficiency ratingF = has low water usage
A. Dishwashers that cost $455 or less and either have a good energy efficiency rating or do an excellent job of cleaning china; {h} B. Dishwashers that cost $455 or less and have both a low energy efficiency rating and do an excellent job of cleaning china; {f} C. Dishwashers that cost $455 or less and either have a good energy efficiency rating or do an excellent job of cleaning china; {b, f, i} D. Dishwashers that cost $455 or less and have either a low energy efficiency rating or do an excellent job of cleaning china; {a, b, c, d, e, f, h, i}
Change the base ten number to a number in the base indicated.Write 8731 in base sixteen.
A. 222A16 B. 221B16 C. 22B116 D. 221116
Solve the rational equation.
= 
- 
A. -9 B. -18 C. -9, -18 D. empty set
Simplify the expression.9a - 3a + 6
A. 12a + 6 B. 12a C. 6a + 6 D. -6a + 6