X2 -20x + y^2 - 10y+25=0
identify center of the circle and radius

Simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2 . (1 point) 2 square root of 8 8 square root of 2 8 square root of 6 6 square root of 8

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?