Which of the following is NOT a monomial? I know what a monomial is but I have gotten this question wrong 2 times.

A monomial is something with 0ne term

a negative exponent is translated as follows:

so, we have

depends on how many days you are talking about

step-by-step explanation:

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take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

we have three similar triangles, because each has a right angle and shares an angle.   let's write the angles in order: opposite to short leg, long leg, hypotenuse.

cab similar to bad similar to cbd

or as ratios,

ca: ab: cb = ba: ad: bd = cb: bd: cd

we also know

ac = ad + cd

(ad+cd): ab: cb = ba: ad: bd = cb: bd: cd

(ad+cd)/cb=cb/cd

we have cb=6, ad=5 and seek x=cd.

we reject the negative root and conclude x=4

answer: 4