Solve.During the month of January 2003, the depth, d, of snow in inches at the base of one ski resort could be approximated by the function 
where t is the number of days since December 31st. Use a graph to estimate the depth of snow on January 27th.
A. 21 inches
B. 13 inches
C. 40 inches
D. 18 inches
Answer: B
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Find the indicated probability. Round as indicated.Find the probability of at least 2 girls in 7 births. Assume that male and female births are equally likely and that the births are independent events. Estimate the probability to three decimal places if necessary.
A. 0.164 B. 0.773 C. 0.938 D. 0.063
Round the decimal to the given place value.43.4444 (nearest hundredth)
A. 43.54 B. 43.34 C. 43.44
Use the given feasible region determined by the constraint inequalities to find the maximum possible value of the objective function.f = 5x + 6y subject to the constraints 
A. 36 B. 44 C. 40 D. 46
Use a graphing calculator to determine which expression completes the identity.The expression 
+ cot ?is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?
A. sec ? B. cos ? C. csc ? D. tan ?