Use a graphing calculator to solve the system of equations. Round your solutions to one decimal place.1.6x + 16.7y + 2.8z = 2.14.6x - 7.0y + 1.0z = -3.52.4x + 5.7y - 1.3z = 11.2
A. (0.2, 0.1, -0.8)
B. (2.3, 1.4, -8.3)
C. (0.5, 0.3, -1.7)
D. (1.1, 0.7, -3.8)
Answer: D
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Solve the differential equation.x
= 
- 6y, x > 0
A. y = x-6(cos x + c), x > 0 B. y = x6(sin x + c), x > 0 C. y = x6(cos x + c), x > 0 D. y = x-6(sin x + c), x > 0
Write the expression using a multiple of a logarithm.log5y7
A. 7 log5y B. 5 log7y7 C. 5 log7y D. 7 log5y7
Perform the indicated operation. Simplify if possible.
+ 
A. x - 3
B. x + 6
C. x - 6
D. 
Solve.The car Colleen is driving gets 28
miles per gallon of gas. She used 6
gallons of gas going from her home to her grandparents' home. She used another 4
gallons traveling from her grandparents' home to her cousin's apartment. What was the total distance Colleen drove?
A. 308
miles
B. 207
miles
C. 220
miles
D. 306 miles