triangle trw will be dilated by a scale factor of n with the origin as the center of dilation to create triangle t r′ ′w′. which ordered pair best represents the location of point r′?

Anybody wanna ? (picture included? )

An ideal gas is held in a container at constant volume. initially, its temperature is 5 degrees c and its pressure is 1.2 atm. what is its pressure when its temperature is 43 degrees c? answer in units of atm

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?