Evaluate using substitution.
? dx / x - 21
What will be an ideal response?
ln (x ? 21) +C
Mathematics
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Solve the equation.
+ y = -4
A. y = -26
B. y = - 
C. y = - 
D. y = 
Mathematics
Solve, finding all solutions in [0, 2?).5.8 sin x - 2.9
= 0
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics
Evaluate the expression using the given values.5xy - 
; x = 16, y = -4
A. -327 B. 329 C. -329 D. 327
Mathematics
Divide and simplify.
÷ 
A. 
B. 
C. x + 3
D. 
Mathematics