iethylethanamine c) diethylaminoethane d) N-methylethanamine e) N, N-dimethylethanamine 19) What is the correct IUPAC name for the following compound?...

please help me with these two questions. Thank you so much

18) What is the common name of the following compound?CH2CHaCH3CH2-N-CH2CHaay triethylamineb) N, N-diethylethanaminec) diethylaminoethaned) N-methylethanaminee) N, N-dimethylethanamine19) What is the correct IUPAC name for the following compound?C-OHCH3a) 1-methyl-3-benzoic acidb) 3-methyl-1-benzoic acidX) 3-methylbenzoic acidd) 3-methylbenzoate