Check that they are perfect square by prime factorization method.
a) 21345000
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Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

In the figure, triangle aob and triangle boc form a linear pair ,find the measure of x