18
First you want to change the 20% into a decimal which is .20
Next you want to multiply 90 by .20 because that will give you the answer for 20% of 90
90x.20=18
Hope that helps
<span>2n-n-4+7n in simplest form is found by combining like terms:
(2-1+7)n - 4 = 8n-4, or 4(2n-1)</span>
Answer:
dodecagon
Step-by-step explanation:
<span>22 + 23 = 45 those are consecutive numbers that equal 45.
</span><span>20 + 25 = 45 those are even although not necessarily consecutive back-to-back. </span><span />