At which x values does the circle defined by the
equation (x + 2)2 + (y - 3)2 = 37 intersect the
x-axis when drawn in the xy-coordinate plane?
F. -2 + 277 and -2–277
G. 133 and - v33
H. -2 + 737 and 2 - v37
J. 7 and – 7
K. 8V2 and – 8V2

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

Layla answer 21 of the 25 questions on his history test correctly.what decimal represents the fraction of problem he answer incorrectly.

The students in a class were asked how many siblings they have. the data obtained is represented in the dot plot. the number of students who have no siblings is . the number of students who have three or more siblings is .