Evaluate using the order of operations.-4 + (-2) + 2 + (-1) + (-5)
A. -10
B. -14
C. 10
D. -12
Answer: A
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Use natural logarithms to solve the exponential equation symbolically.4(7 + 3x) = 
A. x = 
+ 
B. x = 
- 7
C. x = - 
- 
D. x = - 
+ 21
Solve the problem.A chemist needs 70 milliliters of a 65% solution but has only 59% and 73% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
A. 27 ml of 59%; 43 ml of 73% B. 43 ml of 59%; 27 ml of 73% C. 30 ml of 59%; 40 ml of 73% D. 40 ml of 59%; 30 ml of 73%
Use the definition of multiplication to show what the expression means.
?
?
A. 
, (7 terms)
B. 
, (140 terms)
C. 
, (6 terms)
D. 
, (7 terms)
E. 
, (140 terms)
Rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.f(x) = 8 cos2 x
A. 16 cos x B. 4 + 4 cos 2x C. 1 + cos 2x D. 4 - 4 cos 2x