Which kind of line ( solid or dashed) is used for < or > ? I think it has to do with inequalities but not sure

QUESTION #2 unless you know how to a different one

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122

Margaret is purchasing a house for $210,000 with a 15 year fixed rate mortgage at 4.75% interest she has made a 5% down payment the house is valued at 205,000 and the local tax rate is 3.5% homeowners insurance 600 per year what are her total monthly payment