Find the length of side a

Classify the following triangle check all that apply

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Jalen charges $25.50 for every 3 hours of yard work he does for his neighbors. ralph charges $34 for every 4 hours of work that he does. who charges less? opinions: 1.they charge the same amount 2.jalen 3.ralph