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what is the equation of this circle in standard form?

a (x − 5.5)2 + (y − 4)2 = 3.5
b (x + 5.5)2 + (y + 4)2 = 12.25
c (x + 5.5)2 + (y + 4)2 = 3.5
d (x − 5.5)2 + (y − 4)2 = 12.25

What is the solution to the equation in the & show work i’m very

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?

Astudent was asked to find the square of 7x+3. the student quickly wrote (7x+3)^3= 49x^2+9. identify the student's error and provide the correct answer.