Answer:
The electromagnetic spectrum is a continuum of all electromagnetic waves arranged according to frequency and wavelength. The sun, earth, and other bodies radiate electromagnetic energy of varying wavelengths. ... The spectrum of waves is divided into sections based on wavelength.
Answer:
2.5% of $80,000=$2,000
The Smiths pay $2,000 in school taxes per year.
Explanation:
100%=$80,000
10%=$80,000(100%)/10=$8,000(10%)
5%=$8,000(10%)/2=$4,000(5%)
2.5%=$4,000(5%)/2=$2,000(2.5%)
There’s no picture of context
Answer: To explain why letting go of pianos is acceptable at times
Explanation: Paragraph 7 talks about how broken down pianos may not be such a bad thing. Evidence: "So the pruning of a century’s worth of neglected home pianos might not be such a bad thing, if we continue to cherish the music."
the staar benchmarks are really annoying :/
Difference of two squares
it always results in a^2-b^2
