Which one of the following expressions has an even integer value for all integers a and c ?
f. 8a + 2ac
g. 3a + 3c
h. 2a + c
j. a + 2c
k. ac + a^2

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.

Graph the following system of linear inequalities. identify at least two points in the solution: y < 5 - 2x | x + 5y > -7