Much love if you help!

I'm confused on this could anyone me and show me what i need to do to solve it.

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"