Solve the problem.In Little League, Andrew hit 7 home runs in 35 at bats. What percent of the at bats were home runs?
A. 20%
B. 30%
C. 25%
D. 18%
Answer: A
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Match the system of inequalities with one of the graphs.
A. 
B. 
C. 
D. 
Supply the missing numbers. 
A. 
0.4
B. 
4
C. 
4
D. 
0.4
Suppose that Pr(E) = 0.3, Pr(F) = 0.5, and Pr(E ? F) = 0.2.Calculate Pr(F|E').
Fill in the blank(s) with the appropriate word(s).
A person's weight depends both on the daily rate of energy intake, say C calories per day, and the daily rate of energy consumption, typically between 12 and 20 calories per pound per day. Using an average value of 16 calories per pound per day, a person weighing w pounds uses 16w calories per day. If 
, then weight remains constant, and weight gain or loss occurs according to whether C is greater or less than 16w.To determine how fast a change in weight will occur, a plausible assumption is that dw/dt is proportional to the net excess (or deficit) 
in the number
of calories per day.Assume C is constant and write a differential equation to express this relationship. Use k to represent the constant of proportionality.
A. 
= k(16w - C)
B. 
= k(C - 16w)
C. 
= k(C + 16w)
D. 
= C(k - 16w)