A. Perform an F-test to determine if there is evidence of a significant linear relationship between the number of wins and ERA? b. Perform a t-test to determine if there is a linear relationship between the number of wins and ERA. The regression equation is y=3+1.5x. And Sb1 = .22

The sum of the lengths of all the edges of a cube is 6 centimeters. what is the volume in cubic centimeters of the cube

If (a, b) is the solution to the system of equations shown above, and a and b are integers, then what is the value of a+b?

Scientists observed a rock stratum and discovered some fossils. the image shows the fossils they discovered. what can you interpret from the image? an illustration showing layers rock with fossils embedded in some rock layers1. the dinosaur and the mammoth existed after the trilobites.2. the dinosaur and the armored fish existed before the trilobites.3. the trilobites and the armored fish died before the dinosaur.4. the trilobites and the armored fish were born after the dinosaur.5. the early mammoth is older than the trilobites.