a circle has a circumference whose length is 25pi. find the length of an arc whose central angle is 90 degrees

Landon wrote that 3−2.6=4. which statement about his answer is true?

What is the perimeter of a rectangle if the length is 5 and the width is x?

Write the component forms of vectors u and v, shown in the graph, and find v − 2u. u= (< -3, -2> , < -3, -1> , < -2, -2> , < -2, -1> ) v= (< -5, 1> , -4, 0> , < 0, -4> , < 1, -5> ) v-2u= (< 5, 3> , < 0, 4> , < 4, 0> , < 5, -3>