12x + 9. Find the first Let : be a constant. The 5th term of an arithmetic sequence is as = 4x - 3. The 9th term of the sequence is as
term of the sequence. Write your answer in simplest form.

answer: 1 and 3

step-by-step explanation:

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign

the correct answer is $7.38

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: