Solve.y2 - x2 = 13x - 5 = y
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.Find the center of mass of the thin semicircular region of constant density 
bounded by the 
and the curve 
.
A. 
= 0, 
= 
B. 
= 0, 
= 
C. 
= 0, 
= 
D. 
= 0, 
= 
Type A liquid containing 22.00% chlorine is mixed with type B liquid containing 11% chlorine to fill a 409 gallon container. The resulting liquid is to contain 15% chlorine. ? A: If we use ?a gallons of type A liquid and ?b gallons of type B liquid, write a system of two equations that determine the amounts of each that go into the mixture. Round your answers to two decimal places, if necessary.B: How much of each liquid type goes into the mixture? Round your answers to two decimal places, if necessary.
What will be an ideal response?
Evaluate the function for the given value of x.f(x) = 2x2 - 6x - 2 , x = 2
A. f(2) = 4 B. f(2) = -6 C. f(2) = -10 D. f(2) = -4
Find the domain of f. Write your answer in interval notation.f(x) = 
A. 
B. 
C. 
D. 