Find a formula for the nth term in this

arithmetic sequence:

a1 = 8, a2 = 4, a3 = 0, 24 = - 4, ...

Examples of skew lines

A tree farm owner uses a grid to mark where to plant trees in the spring. The first tree is planted at (2,3). Each of the other trees is planted 3 feet east and 2 feet north of the previous tree.

On Friday, 1 9 of band practice was spent trying on uniforms. The band spent 1 6 of practice on marching. The remaining practice time was spent playing music.

The sum of a number and 8 is no more than the square of the difference of the number and 4. Which of the following inequalities can be used to determine the unknown number?

What is - 3 squared plus square root of five

An Olympic athlete is recovering from knee surgery and she is under a doctor's care. The doctor has the athlete jog 12 minutes a day for five weeks. After that, the athlete will increase the jogging time by five minutes a day, a week at a time.

3. Use the Babylonian method to approximate √19 to the nearest hundredth.

The store has 28 notebooks in packs of 4. And 3 packs of notebooks are sold. How many pack of notebooks are left

Do you need to regroup 56+3 when adding to a two digit number

List two ways to name the number that is 10,000 more than 90,000