7x9 = 63
63x2 = 126
126 is the surface area
Answer:
1/2 i think i sm not sure
Step-by-step explanation:
i am answering because i realy need brainliest have a wonderful day goodluck

Each of the equations can be solved as shown below:
a. 
(<em>addition property of equality</em>)
(<em>Subtraction property of equality</em>)
<em> (Division property of equality)</em>
<em />
b. 
<em>Add like terms </em>
<em />
(<em>Subtraction property of equality</em>)
<em> (Subtraction property of equality)</em>
<em />
<em> (Division property of equality)</em>
<em />
c. 

d. 

<em>The value of x in each </em><em>equation</em><em> are:</em>
<em />
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Answer:
5922=Px6.3%x20
5922=Px1.26
P=5922/1.26
P=4700
Step-by-step explanation:
4.5*10^-1 =0.45
2*10^-2 = <span>=<span>150 </span></span><span>(Decimal: 0.02)</span>