What is the additive Inverse of x if x equals - 12?

I don't really understand 1 step equations ... can anyone explain with an example?

On average, Nancy has noticed that 20 trucks pass by her apartment daily (24 hours). In order to find the probability that more than 2 trucks will pass her apartment in a 3-hour time period using the Poisson distribution, find the average number of

Helga works 20 hours per week she makes $12 a hour how do you translate into a algebraic equation

What is the value of the digit 8 in 686,293

Abby took out a car loan for $10,090 that has a 0% APR for the first 22 months and will be paid off with monthly payments over 5 years. For how many months will Abby be charged interest? A. 82 months B. 60 months C. 22 months D. 38 months

What formula do you use to find the missing side of a triangle side a 70 feet side b 40 feet what is side a

Can you have a zero displacement and a non zero average velocity

The normal amount of rainfall for July in apple valley is 11/24 feet so far this July only 3/10 of the normal amount has fallen. What's the amount of rainfall that has fallen this month?

Sam had 11/2 m of rope. he cut off 5/8 m and used it for a project. how much rope does sam have left?

Frank bought 653 acres of land for a housing development. If 37 acres of his purchase is reserved for a park, how many four-acre building lots are available for sale?