(0.4y - 3)/(1.5y + 9) = -7/5

Please help

According to the data set, where should the upper quartile line of the box plot be placed?

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?

How do i simply this radical expression?