Solve the problem.How many liters (L) of a 10% silver iodide solution must be mixed with 3 L of a 4% silver iodide solution to get a 6% solution?
A. 2.5 L
B. 0.5 L
C. 1.5 L
D. 3.0 L
Answer: C
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Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = 2x + 1, [0, 2], left-hand endpoint
A. 
B. 
C. 
D. 
Solve for the principal.Brianna notes that her savings account earned $117.67 in 3 months. If the account earns 5.4% simple interest, then what was her principal?
A. $14,817.27 B. $7844.44 C. $8716.30 D. $18,303.68
List the intercepts of the graph. 
A. (0, 6), (6, 0) B. (-6, 0), (0, -6), (0, 6), (6, 0) C. (-6, 0), (0, -6), (0, 0), (0, 6), (6, 0) D. (-6, 0), (0, 6)
Find the product 
using trigonometric forms. Leave the result in trigonometric form.
A. 
B. ?
C. ?
D. ?
E. ?