Answer:
B) -9
Step-by-step explanation:
31+2= 33 --> -33 + 49= --> 16
-5x-5= 25
16 -25 = -9
Answer:
Given the expression: ![3y^3-2y[4y-y(y-3)]-[2y(y+1)-3y(y^2-1)]](https://tex.z-dn.net/?f=3y%5E3-2y%5B4y-y%28y-3%29%5D-%5B2y%28y%2B1%29-3y%28y%5E2-1%29%5D)
The distributive property says that:

Applying distributive property on the given expression, we have;
![3y^3-2y[4y-y^2+3y]-[2y^2+2y-3y^3+3y]](https://tex.z-dn.net/?f=3y%5E3-2y%5B4y-y%5E2%2B3y%5D-%5B2y%5E2%2B2y-3y%5E3%2B3y%5D)
again apply the same property we have
![3y^3-8y^2+2y^3-6y^2-[2y^2+2y-3y^3+3y]](https://tex.z-dn.net/?f=3y%5E3-8y%5E2%2B2y%5E3-6y%5E2-%5B2y%5E2%2B2y-3y%5E3%2B3y%5D)
or

Like terms are those terms which have same variables to the same power.
Combine like terms;

Therefore, the simplified form of the given expression is, 
Answer:
10%
Step-by-step explanation:
40+5+5=50
50-5=45
45*2=90
50*2=100
100-90=10
Answer:
<u>So</u><u>,</u><u> </u><u>ADC</u><u> </u><u>=</u><u> </u><u>124</u><u>/</u><u>2</u><u> </u><u>=</u><u>></u><u> </u><u>⛰</u><u> </u><u>ADC</u><u> </u><u>=</u><u> </u><u>62</u><u>°</u>
Step-by-step explanation:
<u>If ABC i.e angle of centra = 124°</u>
<u>If ABC i.e angle of centra = 124°Then, we know that angle at any where of Circle is 1/2 if central angle </u>
- <u>If ABC i.e angle of centra = 124°Then, we know that angle at any where of Circle is 1/2 if central angle So, ADC = 124/2 => ⛰ ADC = 62°</u><u>.</u>
<em><u>Thank</u></em><em><u> </u></em><em><u>You</u></em><em><u> </u></em><em><u>☺️</u></em><em><u> </u></em><em><u>☺️</u></em><em><u>.</u></em><em><u> </u></em>
<h3>
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D. 32/47
You would subtract 1580 from 640 to get 940. You would then simplify 640/940 to get 32/47.