Answer:
Step-by-step explanation:
(a + b)²=a²+2ab+b²
(3x+3y)²= (3x)²+2*3x*3y+(3y)²
=9x² + 18xy + 9y²
=9x² + 9y² + 18xy
= 9*(x²+y²) +18xy
=9*25 + 18*12
=225 + 216
=441
Answer: EF = 58
Therefore, amount of tax is $65.
Amount of tax = Tax% of $1300
Amount of tax = 5% of $1300
= (5/100) of $1300
= (1/20) of $1300
= $130/2
= $65
c=0.25n+12
3.31224 liters. Divide the volume value by 1.057
