What does this mean, what does the negative sign in front of the parenthesis mean? - 2 = - (n-8)

How do you solve 3 1/4 - 1 7/8 step by step?

The ratio of girls to students at a middle school is 10 to 18. If there are 270 students at the school, how many are girls? 100 150 180 200 (I believe its 150, but I'm not sure. It'll be awesome if you can explain how to do this also)

Juan unloads 29 bags of pine mulch from each of his fathers 2 trucks. Together, the truck holds 2,262 pounds of pine mulch. What is the weight of each bag of pine mulch Juan unloads?

There was a group of unicorns talking in a field. 7 of them ran away. 9 of them were left In total, how many unicorns were talking in a field? unicorns

Is 5x to the power of 2 y to the power of 5 Polynomial?

Hans needs to make a total of 80 deliveries this week. So far he has completed 32 of them. What percentage of his total deliveries has Hans completed?

Phillip saves $8.00 a month. how long would it take him to save at least $60.

What is the product? (-3s + 2t) (4s - t) 0 - 1252-212 -1252 + 212 -1252 + 8 st - 2+2 O - 1252 + 11st - 2:2

Why can't the sum of two mixed numbers be equal to 2?

Try this trick out on a friend. Tell your friend to place a dime in one hand and a penny in the other hand. Explain that you can determine which hand is holding the penny. Here's how to do it: a.