Which are true for a photon. (Choose 3)
o Energy can be calculated.
o Is the same thing as an electron.
o Is the smallest packet of light.
o Energy cannot be calculated.
o The higher the frequency, the higher the energy. o The higher the frequency, the lower the energy.

Please help

the expression 15n + 2(3p) represents the amount isaiah spent buying gasoline and snacks, where n represents the price of each gallon of gasoline and p represents the cost of each snack that he bought. which statement is true about the amount isaiah spent?

no simpler subs form complex ones. synthesise = make