9th grade algebra?
year- 0 1 2
# of trucks- 100 110 121

1. the table shows the number of trucks registered in a city each year. the growth is exponential. suppose the growth continues at the same rate.
how many trucks registered in the city in year 9?
round to the nearest whole number.

2. iodine-125 has a half-life of about 60 days.
how many milligrams of a 500 mg sample will remain after 300 days?
a) 0.6 mg
b) 7.8125 mg
c) 15.625 mg
d) 31.25 mg

3. after 6 years, what is the total amount of a compound interest investment of $35,000 at 4% interest, compounded quarterly?
a) $37,153.21
b) $39,438.88
c) $44,440.71
d) $56,295.30

4. the turtle population on an island is declining at a rate of 1.4% per year. the population was 3800 in the year 2009.
which answer is the best prediction of the population in the year 2014?
a) 3541
b) 3592
c) 3643
d) 3747

5. according to a research study in 2010, there were 440 coyotes in a given region, and the predicted growth rate was 17% each year.
according to the study, what would be the coyote population in 2030?
round the nearest whole number.

What is the prime factorization of 195

The resumâ´es of two male applicants for a college teaching position in chemistry are placed in the same file as the resumâ´es of two female applicants. two positions become available, and the first, at the rank of assistant professor, is filled by selecting one of the four applicants at random. the second position, at the rank of instructor, is then filled by selecting at random one of the remaining three applicants. using the notation m2f1, for example, to denote the simple event that the first position is filled by the second male applicant and the second position is then filled by the first female applicant, (a) list the elements of a sample space s; (b) list the elements of s corresponding to event a that the position of assistant professor is filled by a male applicant; (c) list the elements of s corresponding to event b that exactly one of the two positions is filled by a male applicant; (d) list the elements of s corresponding to event c that neither position is filled by a male applicant; (e) list the elements of s corresponding to the event a â© b; (f) list the elements of s corresponding to the event a âş c; (g) construct a venn diagram to illustrate the intersections and unions of the events a, b, and c.

Harry owes the bank money. to repay his debt, he paid $150 back to the bank each month. after 10 months, his remaining debt was $6900. what was the original amount of harry's debt? how long did it take harry to pay back his entire debt?