PLEASE HELP Draw the structural compounds: A)1-ethyl-3,5-dimethylbenzene B)1-.12
methyl-4-propylbenzene C)1-propanol D)1,2-propanediamine
E)Cinnamaldehyde​

0.66y = 0.9x + 0.48 if y has a value of 108.45 what is the value of x?

Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?