An election ballot asks voters to select four city commissioners from a group of eight candidates. in how many ways can this be done?

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

This is about circle theorems. someone asap : (

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?