25. You are shooting a cannonball during a war reenactment. To make sure the cannonball hits the target, you must set the angle of the cannon correctly. If the cannon is fifty feet
away from a thirty-foot tall target, what angle of elevation should you set the cannon for?

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?

Find the dimensions of the circle. area = 64π in.² r= in.