The nth term of a sequence is 2n-1 the nth term of a different sequence is 40-n2

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?

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

Use matrices to solve this linear system: 5x1 − 2x2 = −30 2x1 − x2 = −13 x1 = x2 =