Cho x, y là các số nguyên dương thoả mãn: (x+y)^2+6x+2y+4 là 1 số chính phương. Chứng minh rằng: x=y

Jackson drew 4 hearts and 29 circles. what is the ratio of circles to all shapes?

15/16 as a decimal rounded to the nearest hundredth

Which statements are true about box plots? check all that apply. they describe sets of data. they include the mean. they show the data split into four parts. they show outliers through really short “whiskers.” each section of a box plot represents 25% of the data.