Step-by-step explanation:
its 40
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9(2x-1)=3(x+2)+3x
18x-9=3x+6+3x
18x-9=6x+6
18x-6x=6+9
12x=15
x=15/12
x=5/4
$819.20 is the answer considering each time the units increase by fours, it adds $204.80
<h3>
Answer: B. 11</h3>
An exponential has the base at the bottom, or the lower portion. Think of "basement" to help remember this. The exponent is the number up top, so 12 is the exponent.
C - 7.6 = -4
c = -4 + 7.6
c = 3.6
