If a light ray is reflected off the shiny surface of 170 degrees at what angle did the light ray first strike the surfacea) 70 degrees b) 10 degrees c) 170 degrees d) 110 degrees asap

What is common about these molecules? a.their atoms are held together by covalent bonds. b.they are all made up of the same two atoms. c.their atoms are held together by ionic bonds. d.they are all made up of oxygen atoms only.

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

What’s the scientific notation for the number 6,840,000,000