Find the equation of the regression line. 50 44 45 56 41 42 . 271 221 258 301 223 223 A) v' = 5.525x + 5.504 () y'= -5.525x + 5.504 B) y'= -5.504x - 5.525 D) y' = 5.504x - 5.525 9.​

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

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth