Simplify. Your answer should be in lowest terms.6
+ 6
A. 12
B. 13
C. 12
D. 12
Answer: B
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Solve the equation by using the quadratic formula.
?
What will be an ideal response?
If the temperature is constant, then the atmospheric pressure P (in pounds/square inch) varies with the altitude above sea level h in accordance with the law 
, where p?0 is the atmospheric pressure at sea level and k is a constant.
? If the atmospheric pressure is 17 lb/in.2 at sea level and 12.5 lb/in.2 at 6,000 ft, find the atmospheric pressure at an altitude of 18,000 ft. Please round the answer to one decimal place. ? __________ lb/in.2 ? How fast is the atmospheric pressure changing with respect to altitude at an altitude of 18,000 ft? Please round the answer to four decimal places. ? __________lb/in.2/ft What will be an ideal response?
Find the compound interest earned. Round to the nearest cent. Use your calculator, rather than the tables.$11,000 at 8% compounded quarterly for 
year
A. $444.40 B. $431.54 C. $1830.40 D. $1760.00
Use a graphing utility to graph the equation.5x2 + 
xy - 2y2 = 23
A. 
B. 
C. 
D. 