skylex
28.10.2019 •
Mathematics
Susie wants to have at least a 90 average for the year in her algebra class. her current test scores are 85, 100, 86, and 97. what does she need to score on her fifth test to have at least a 90 average?
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Ответ:
Number 27:Population density refers to the number of people who live in a defined land area (usually square miles or square kilometers). So, if two million people live in ten square miles, the population density is two hundred thousand people per square mile.
Number 29:Your heart beats about 100,000 times in one day. And about 35 million times in a year.And 128 beats in one minute
Step-by-step explanation: