Solve the problem.A chemical solution contains 7% lead. How much lead is in 2.5 ml of solution?
A. 35.714 ml
B. 3.571 ml
C. 1.75 ml
D. 0.175 ml
Answer: D
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Provide an appropriate response.What does the graph of the equation 
look like?
A. A line B. A plane C. A cylinder D. A sphere
Solve the problem. Round to tenths where necessary.S(x) = -x3 + 6x2 + 288x + 4000, 4 ? x ? 20 is an approximation to the number of salmon swimming upstream to spawn, where x represents the water temperature in degrees Celsius. Find the temperature that produces the maximum number of salmon.
A. 12°C B. 8°C C. 20°C D. 4°C
Simplify the expression.
?
?
A. 67
B. 
C. 
D. -67
Solve the problem.A local civic theater has 22 seats in the first row and 21 rows in all. Each successive row contains 3 additional seats. How many seats are in the civic theater?
A. 1010 seats B. 1092 seats C. 1070 seats D. 790 seats