Where do good ideas come from.

Past experiences current experiences. ur brain

Good ideas do not – for the most part – come from inside someone’s head. Instead, they come from outside – specifically from social interaction. A study conducted in leading research laboratories found that scientists rarely, if ever, had a flash of inspiration or eureka moment alone in the lab. Instead, ideas happen in conversation with colleagues.

sumif(range,criteria,sum_range)

the range is range of cells you want to be included.

criteria in the form of a number, expression, or text that defines which cells will be added. for example, criteria can be expressed as 32, "32", "> 32", "apples".

sum_range is the actual cells to add if their corresponding cells in range match the criteria