What property is this 2b+0=2b

How to split 42 into 2 equal parts

In a test for significance of a pearson correlation for a sample of n = 30 individuals, you determine the critical value by using df = 29.

Calculate g (x) = f (x+1) when f (x) = 4x-2

9. A population of caterpillars have been taking over a 250cm2 area of vegetable patch. Overnight they have been eating 3% of all the vegetation available to them. After 4 nights how many cm2 of the original vegetation is left?

You bought f pounds of fruit today. Today, you bought 3 times as many pounds of fruit as you bought yesterday. Which expression correctly shows how many pounds of fruit you bought yesterday?

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.