Andrew solved the following inequality, and his work is shown below: −4(x + 8) ≤ −2x + 50 −4x − 32 ≤ −2x + 50 −2x − 32 ≤ 50 −2x ≤ 82 x ≤ −41 What mistake did Andrew make in solving the inequality?

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step-by-step explanation:

answer: idk

step-by-step explanation:

investment b is an ordinary annuity with $3,909.64 in the account after one year.

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: