Arock has a mass of 25kg. the acceleration due to gravity is 10 m/s and the height of the rock is 42 m. find the potential energy of the rock a. 10,500 j b. 1,050 j c. 220,500 d. 5,250

What are linear equations? could'ya explain too me, ? ! and how do you see what graph is a proportional relationship?

Circle a has center of (2,3) and a radius of 5 and circle b has a center of (1,4) and a radius of 10. what steps will show that circle a is similar to circle b 1) dilate circle a by a scale factor of 2 2) translate circle a using the rule (x+1,y-1) 3) rotate circle a 180 degrees about the center 4) reflect circle a over the y-axis

Suppose the equation of a line is 2x − 4y = − 8. which coordinate pair represents the y-intercept?