Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.21.7 qt = ____ L
A. 5.6 L
B. 23.0 L
C. 41.2 L
D. 20.6 L
Answer: D
Mathematics
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Use the quadratic formula to solve the equation.z2 + 10z + 3 = 0
A. -5 ± 
B. 5 + 
C. -10 + 
D. 5 ± 
Mathematics
Solve the problem.If the price for a product is given by p = 6400 - x2, where x is the number of units sold, then the revenue is given by R = px = 6400x - x3. How many units must be sold to give zero revenue?
A. 0, 80 B. 6400 C. 0, 6400 D. 0
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 
y
Mathematics
Find the linear factorization of the polynomial and find all roots of the polynomial. f(x) = 2x3 + 2x
A. f(x) = 2x(x + 1)2, roots: 0, -i B. f(x) = 2x(x + i)(x - i), roots: 0, ± i C. f(x) = 2x(x + i)2, roots: 0, -i D. f(x) = x(x + 2i)(x - i), roots: 0, i, -2i
Mathematics