Provide an appropriate response.Solve the following system of equations using the substitution method: 3a + b = -1 a - 2b = 16
Fill in the blank(s) with the appropriate word(s).
(2, -7)
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Solve the initial value problem and leave the solution in implicit form.u'(x) = sec u sin 
, u(8?) = ?
A. sin u = 
- 4 cos 
B. sin u = 4 + 4? cos 
C. sin u = 4 - 4 cos 
D. sin u = 
- 
cos 
A firm that offers credit with terms of 2/10 net 30 gives its customers a:
A. 2 percent discount from the full invoice price if the bill is paid on or before Day 30; otherwise an additional cost of 10 percent of invoice price must be paid. B. 20 percent discount from the full invoice price if the bill is paid on or before Day 10; otherwise the entire bill is due by Day 30. C. 30 percent discount from the full invoice price if the bill is paid on or before Day 10; otherwise the entire bill is due by Day 2 of the month following the sale. D. 10 percent discount from the full invoice price if the bill is paid on or before Day 2; otherwise the entire bill is due by Day 30. E. 2 percent discount from the full invoice price if the bill is paid on or before Day 10; otherwise the entire bill is due by Day 30.
Determine whether the graphs of the equations are parallel lines, perpendicular lines, or neither.y = 3x - 512x + 4y = 8
A. Neither B. Perpendicular C. Parallel
Use an appropriate identity to find the exact value of the expression.sin 
A. 
B. - 
C. 
D. - 