Solve the problem.Chandra has 3 liters of a 21% solution of sodium hydroxide in a container. What is the amount and concentration of sodium hydroxide solution she must add to this in order to end up with 7 liters of 13% solution?
A. 4 L of 10% solution
B. 4 L of 8% solution
C. 4 L of 5% solution
D. 4 L of 7% solution
Answer: D
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Write one or more inequalities that describe the set of points.The half-space consisting of the points behind the yz-plane
A. x ? 0 B. y ? 0, z ? 0 C. y < 0, z < 0 D. x < 0
For the functions f(x) and g(x), determine the domain of (f + g)(x) (the sum of f and g).f(x) = 
, g(x) = 6x2 - 5
A. {x ? x is a real number} B. {x ? x is a real number and x ? -6} C. {x ? x is a real number and x ? 0} D. {x ? x is a real number and x ? 5}
Provide an appropriate response.With open-end loans, an individual makes regular fixed dollar payments for a specific period of time.
A. True B. False
Solve.In Satoru's hometown, the highest temperature ever recorded is 107°F. Convert this temperature to Celsius. Round to the nearest tenth of a degree.
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