Answer:
I say that d) is linear because I found the common difference of +2 in the y which makes the line of a graph straight.
And c) is non linear because there is no sequence so if you create a line out of this table, the line of a graph will not be straight.
(3x+2)(3x-2)
Hope that helps
(5x+17)+129+94+(7x-46)+(9x-11)=540
5x+7x+9x+17+129+94-46-11=540
21x+146+94-57=540
21x+240-57=540
21x+183=540
-183 -183
21x=357
/21 /21
x=17
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hope it helps
Answer:
<em> PC = 13 cm</em>
Step-by-step explanation:
Taking the square root of 618 we get
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24.8596057893
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and
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-24.8596057893
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Rounding to nearest tenth
24.9 and
-24.9