Ejaculation of mature sperm occurs at about ________
Fill in the blank(s) with the appropriate word(s).
Answer: 13 - 14 years of age.
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Solve the problem.To train for a race, Will begins by jogging 11 minutes one day per week. He increases his jogging time by 6 minutes each week. Write the general term of this arithmetic sequence, and find how many whole weeks it takes for him to reach a jogging time of one hour.
A. ak = 6k + 5; 10 weeks B. ak = 6k + 11; 10 weeks C. ak = 6k + 11; 9 weeks D. ak = 6k + 5; 9 weeks
Find the exact value of the expression.tan 
A. 
- 2
B. 2 + 
C. 2 - 
D. -2 - 
The future value of an annuity due is lower if the discount rate is higher. ?
Answer the following statement true (T) or false (F)
Which approach to understanding cognitive development is currently at the forefront of research, utilizing our understanding of genes and brain activity?
A. behavior modification B. social-cognitive C. cognitive neuroscience D. neo-Piagetian