13. Which sequence uses the algebraic expression 4n + 5 to describe the relationship between a term in the sequence and its position, n, in the sequence?
A. 4, 9, 14, 19, 24 ...
B. 4, 8, 12, 16, 20 ...
C. 9, 13, 17, 21, 25 ...
D. 9, 10, 11, 12, 13 ...

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?