A certain two-digit number, n, has a units digit that is three times the tens digit
. Which of the following must be true
A. n>20
B. n<40
C. n is odd
D. n is even

Jose is going to use a random number generator 500500 times. each time he uses it, he will get a 1, 2, 3,1,2,3, or 44.

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2

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>