Solve.-3z = - 
A. 
B. - 
C. - 
D. 
Answer: A
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Find the real solutions, if any, of the equation. Use the quadratic formula.36x2 - 36x + 9 = 0
A. 
B. no real solution
C. 
D. 
Add or subtract as indicated. Make sure that your answer is reasonable by estimating first.10.4 - 6.79
A. 3.61 B. 17.19 C. -3.61 D. 3.71
Solve the problem.Suppose that a family has 5 children and that the probability of having a girl is 
. What is the probability of having exactly two girls and three boys?
A. 0.0312 B. 0.6252 C. 0.0625 D. 0.3125
Tritium, a radioactive isotope of hydrogen, has a half-life of 12.4 years. Of an initial sample of 13 grams, how much will remain after 98 years? ? Please enter your answer as a number without the units, rounded to four decimal places.
Fill in the blank(s) with the appropriate word(s).