Answer:
0,4 meters
Step-by-step explanation:
1. 0,08 x 2 = 0,16 m² (area of the square)
2. √0,16 = 0,4 m (length of one side)
$16.40 because she bought 2 candies so you will add 1.80 +1.80 or could of times 1.80x2 then subtract $20 for what you get adding or multiplying then that's how you get what she has left.
(X+1)(X+2) this is all I can do without knowing what f is
Answer:
Exact form: 
Decimal form: 0.72
Step-by-step explanation:
Reduce the expression, if possible by cancelling the common factors.