The partially filled contingency table gives the relative frequencies of the data on age (in years) and sex from the residents of a retirement home.

What is the probability that a resident is male and in the age group 60-79?
A.0.31
B.0.28
C. 0.29
D. 0.305

∠1 and ∠2 are complementary. ∠1=x°∠2=(3x+30)° select from the drop down menu to correctly answer the question. what is the value of x? . a.15 b.25 c.30 d.40 e.55

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15