Alicia walks 4 miles in 1 hour and can speed walk 5 miles in 1 hour. what percent of alicia's average speed walking rate is her average walking rate?

a. 20%
b. 40%
c. 80%
d. 125%

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>