What is the product in lowest terms? 8/15 x -3/10. ( / means fractions) 1.-4/25 2. -3/35 3. -2/25 4. -1/5

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?