Of the 47 novels written by a certain author, 25 were mysteries, 13 were romances, 8 were satires, and 1 was a fantasy novel. One novel is randomly selected from these 47 novels. Find the odds against selecting a romance or a fantasy novel.

4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation:

answer: my brother can figure it out, imma go get him so i can answer : ) edit: my brother is sleeping, sorry man

step-by-step explanation:

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: