Solve the equation. Express radicals in simplest form.
s2 + 
s + 
= 0
A. 
B. 
C. ?
D. 
Answer: A
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Solve.Suppose economists use as a model of a country's economy the equation C = 0.7050D + 5.9077where C represents the consumption of products in billions of dollars and D represents disposable income in billions of dollars. Solve the equation for D and use the result to determine the disposable income D if the consumption C is $8.02 billion. Round your answer to the nearest tenth of a billion.
A. $5.5 billion B. $2.9 billion C. $11.6 billion D. $3.0 billion
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.5-3
A. 125
B. -125
C. 
D. 
Solve the problem.Express the gross salary G of a person who earns $28 per hour as a function of the number x of hours worked.
A. G(x) = 28x2
B. G(x) = 
C. G(x) = 28 + x
D. G(x) = 28x
Find the indicated cross product.v = -5i - 6j, w = 2i + 6kFind v × w.
A. -36i + 30j - 12k B. 12i + 36j - 30k C. -36i + 30j + 12k D. -12j - 30k