Solve the system of equations.7x + 7y + z = 1 x + 8y + 8z = 89x + y + 9z = 9
A. (0, 1, 0)
B. (-1, 1, 1)
C. (1, -1, 1)
D. (0, 0, 1)
Answer: D
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Use the four-step method in problem solving to solve the problem.A couch sells for $1260. Instead of paying the total amount at the time of purchase, the same couch can be bought by paying $500 down and $80 a month for 12 months. How much is saved by paying the total amount at the time of purchase?
A. $1080 B. $200 C. $300 D. $20
Find the number of subsets.{x?x is an even number between 15 and 27}
A. 5 B. 32 C. 256 D. 64
Provide an appropriate response.If f(x) = 
, find(a) f(-2)(b) f(0)(c) f
(d) f(1)(e) f(5)
What will be an ideal response?
Find the total monthly payment including taxes and insurance for the loan. Round to the nearest cent.AMORTIZATION (PRINCIPAL AND INTEREST PER THOUSAND DOLLARS)
Amount of loan: $217,000Interest rate: 6%Term of loan: 30 yearsAnnual taxes: $2777Annual insurance: $824
A. $1602.08 B. $1743.13 C. $1302.00 D. $1697.56