please help, −30 < x/-4 solve for x, just typing this because the question needs to be 20 characters long

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|