17. 2- (-8) + (-3) =
O B. 12
O C. 14

98 points! include an answer and in advance!

Arrange the following in order from the shortest wavelength to the longest wavelength. visible light gamma rays radio waves x-ray waves microwave infrared

Who is the presiding officer of the senate whenever the vice-president is not present? speaker of the house attorney general secretary of state president pro tempore