Agroup of friends went to lunch. the bill, before sales tax and tip, was $37.50. a sales tax of 8% was added. the group than tipped 18% on the amount after the sales tax was added. what was the amount, in dollars, of the sales tax?

the correct answer is 1: 2

step-by-step explanation:

hope this your welcome : )

c) yes, because of asa or aas

explanation:

infrared radiation has wavelength in the range between 700 nm and 1 mm. lets' convert these values into scientific notation, keeping in mind that:

let's start from the lower value, we have:

(we moved the dot two places to the left, so we increased the exponent by 2 units, from -9 to -7)

the higher value is:

so, the range of wavelength of infrared radiation is: