Answer:
x²-9=x²-3²=(x+3)(x-3)
Step-by-step explanation:
use formula
a²-b²=(a+b)(a-b)
Answer: $10.00 + 4.50r
r = rose
$10.00 = delivery charge
$4.50 = charge per rose
1/6
1/3 + /1/6= 1/2
Because 1.5 is half of 3
Replace m with 46x10^4 in the equation and solve.
0.036(46x10^4)^3/4 = 635.87
Round to 636
The answer is A.
