Please need help with this problem

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Write the expression as a single natural logarithm. 2 in a - 4 in y

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.