Why does 30 + (-8) + (-6) equal 16? I'm so confused on this one

Calculate the average rate of change for the given function, from x = 8 to x = 5. x f (x) 8 0 5 4 - 5 19

Is x greater than, less than, or equal to 35°?

Ella has gold, silver, and copper wire for stringing beads. she has1 1/2ft. of gold wire, 2 1/3ft. of silver wire, and3 3/4ft. of copper wire. how much wire does she have altogether?

The approximate measurements of the Great Pyramid of Khufu are shown below. What is the surface area of the pyramid?

Mr zambito buys a 3 1/2 - pound bag of dog food every 3 weeks mr zambito feeds his dog the same amount of dog food each day how many pounds of dog food does his dog eat each year show your work

You deposited $800 into an account paying 4.5% interest compounded continuously. A. How much would be in the account in 5 years? B. How long would it take to double your money?

Casey likes to run she runs a additional 1/4 mile each day on the last day she ran 1 1/4 miles if she ran half a mile her first day how many days has she been running

6:2 1/4 what is the anwser

For a fundraiser adam earned $45, which is 7times aa much as Lana earned. How much did Nancy earned?

In a certain community, eight percent of all adults over age 50 have diabetes. If a health service in this community correctly diagnosis 95% of all persons with diabetes as having the disease and incorrectly diagnoses ten percent of all persons