Mr. Jacobs has three children: two girls (Sue and Karen) and on boy (David). After each meal, one child is chosen at random to wash dishes.
a) If the same child can be chosen for both lunch and dinner dish duty, construct a tree diagram or list a sample space of all the possible outcomes of who will wash dishes after lunch and dinner on Sunday.

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Solving systems of linear equations: tables represent two linear functions in a systemöwhat is the solution to this system? 0 (10)0 (1.6)0 18,26)0 18-22)

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?