Find a · b. |a| = 3, |b| = 14 , the angle between a and b is 45°

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?

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?