Solve the equation.-7.8x + 1.9 = -22.1 - 1.8x
A. {3.1}
B. {11}
C. {3.3}
D. {-30}
Answer: B
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Write the expression in exponential form. Assume that all variables represent positive real numbers.
3
A. x-3/5 B. x3/5 C. x5/3 D. x2
The CEO of a tire company has kept records for the profit P when n tires are produced. The rate of change 
is the marginal profit.
?
A: Explain in practical terms the meaning of the marginal profit.
?
B: What action should be taken if the marginal profit is positive?
?
C: What action should be taken if the marginal profit is negative?
What will be an ideal response?
Find the exact value of the trigonometric expression without the use of a calculator.cos (155°) cos (35°) + sin (155°) sin (35°)
A. - 
B. -2
C. - 
D. - 
Translate the word statement into a percent proportion. Do not solve.53 is 65% of what number?
A. 
= 
B. 
= 
C. 
= 
D. 
= 