John invested $2000 for 3 years at 10% per annum. Peter invested $1000 at the same rate. If they both received the same amount of money in interest, for how many years did Peter invest his money?​

What is the absolute value of the complex number -4-sqrt2i

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>

Find the length cu. the triangles are similiar.